refactor: remove unused imports (#4566)

# Description of Changes

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Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [x] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [x] I have performed a self-review of my own code
- [x] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [x] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

Signed-off-by: Balázs Szücs <bszucs1209@gmail.com>

app/common/src/test/java/stirling/software/common/service/CustomPDFDocumentFactoryTest.java

@@ -1,7 +1,6 @@
 package stirling.software.common.service;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.*;
 import static stirling.software.common.service.SpyPDFDocumentFactory.*;
 
@@ -22,7 +21,6 @@ import org.springframework.http.MediaType;
 import org.springframework.mock.web.MockMultipartFile;
 
 import stirling.software.common.model.api.PDFFile;
-import stirling.software.common.service.SpyPDFDocumentFactory.StrategyType;
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 @TestMethodOrder(MethodOrderer.OrderAnnotation.class)

app/common/src/test/java/stirling/software/common/service/FileStorageTest.java

@@ -1,9 +1,6 @@
 package stirling.software.common.service;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.AdditionalAnswers.*;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.*;
 
 import java.io.IOException;

app/common/src/test/java/stirling/software/common/service/TempFileCleanupServiceTest.java

@@ -1,8 +1,6 @@
 package stirling.software.common.service;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.*;
 
 import java.io.File;

app/core/src/test/java/stirling/software/SPDF/controller/api/EditTableOfContentsControllerTest.java

@@ -1,7 +1,6 @@
 package stirling.software.SPDF.controller.api;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
 
 import java.io.ByteArrayOutputStream;

app/core/src/test/java/stirling/software/SPDF/controller/api/MergeControllerTest.java

@@ -1,8 +1,6 @@
 package stirling.software.SPDF.controller.api;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.*;
 
 import java.io.IOException;

app/core/src/test/java/stirling/software/SPDF/controller/api/misc/AttachmentControllerTest.java

@@ -1,7 +1,6 @@
 package stirling.software.SPDF.controller.api.misc;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
 
 import java.io.IOException;

app/core/src/test/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessorTest.java

@@ -2,7 +2,6 @@ package stirling.software.SPDF.controller.api.pipeline;
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
 
 import java.util.List;

app/core/src/test/java/stirling/software/SPDF/controller/api/security/RedactControllerTest.java

@@ -1,7 +1,6 @@
 package stirling.software.SPDF.controller.api.security;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.*;
 
 import java.awt.Color;

app/core/src/test/java/stirling/software/SPDF/service/PdfImageRemovalServiceTest.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.service;
 
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.*;
 
 import java.io.IOException;

app/core/src/test/java/stirling/software/common/controller/JobControllerTest.java

@@ -1,7 +1,6 @@
 package stirling.software.common.controller;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
 
 import java.util.Map;

app/proprietary/src/main/java/stirling/software/proprietary/security/filter/JwtAuthenticationFilter.java

@@ -2,7 +2,6 @@ package stirling.software.proprietary.security.filter;
 
 import static stirling.software.common.util.RequestUriUtils.isStaticResource;
 import static stirling.software.proprietary.security.model.AuthenticationType.*;
-import static stirling.software.proprietary.security.model.AuthenticationType.SAML2;
 
 import java.io.IOException;
 import java.sql.SQLException;

app/proprietary/src/test/java/stirling/software/proprietary/security/service/UserServiceTest.java

@@ -1,8 +1,6 @@
 package stirling.software.proprietary.security.service;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
 
 import java.sql.SQLException;