removal of all getByte loads (#3153)

# Description of Changes

Please provide a summary of the changes, including:

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

Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/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/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] 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/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)

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

---------

Co-authored-by: a <a>

src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java

@@ -1,9 +1,7 @@
 package stirling.software.SPDF.model.api;
 
-import java.io.IOException;
 import java.util.List;
 
-import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 
 import io.swagger.v3.oas.annotations.Hidden;
@@ -32,18 +30,6 @@ public class PDFWithPageNums extends PDFFile {
             requiredMode = RequiredMode.NOT_REQUIRED)
     private String pageNumbers;
 
-    @Hidden
-    public List<Integer> getPageNumbersList(boolean zeroCount) {
-        int pageCount = 0;
-        try {
-            pageCount = Loader.loadPDF(getFileInput().getBytes()).getNumberOfPages();
-        } catch (IOException e) {
-            // TODO Auto-generated catch block
-            log.error("exception", e);
-        }
-        return GeneralUtils.parsePageList(pageNumbers, pageCount, zeroCount);
-    }
-
     @Hidden
     public List<Integer> getPageNumbersList(PDDocument doc, boolean oneBased) {
         int pageCount = 0;