removal of old java desktop + workspace change in tauri (#5459)

# Description of Changes

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- What was changed
- Why the change was made
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Closes #(issue_number)
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## 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/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)
- [ ] 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/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### 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/devGuide/DeveloperGuide.md#6-testing)
for more details.

scripts/build-tauri-jlink.bat

@@ -96,7 +96,6 @@ echo REM Launch with bundled JRE >> "frontend\src-tauri\runtime\launch-stirling.
 echo "%%JRE_DIR%%\bin\java.exe" ^^ >> "frontend\src-tauri\runtime\launch-stirling.bat"
 echo     -Xmx2g ^^ >> "frontend\src-tauri\runtime\launch-stirling.bat"
 echo     -DBROWSER_OPEN=true ^^ >> "frontend\src-tauri\runtime\launch-stirling.bat"
-echo     -DSTIRLING_PDF_DESKTOP_UI=false ^^ >> "frontend\src-tauri\runtime\launch-stirling.bat"
 echo     -jar "%%STIRLING_JAR%%" ^^ >> "frontend\src-tauri\runtime\launch-stirling.bat"
 echo     %%* >> "frontend\src-tauri\runtime\launch-stirling.bat"
 
@@ -133,4 +132,4 @@ echo    • Smaller distribution size with custom runtime
 echo    • Better security with minimal required modules
 echo    • Consistent Java version across all deployments
 echo.
-echo ✅ The application will now run without requiring users to install Java!
+echo ✅ The application will now run without requiring users to install Java!

scripts/build-tauri-jlink.sh

@@ -159,7 +159,6 @@ fi
 "$JRE_DIR/bin/java" \
     -Xmx2g \
     -DBROWSER_OPEN=true \
-    -DSTIRLING_PDF_DESKTOP_UI=false \
     -jar "$STIRLING_JAR" \
     "$@"
 EOF
@@ -188,7 +187,6 @@ REM Launch with bundled JRE
 "%JRE_DIR%\bin\java.exe" ^
     -Xmx2g ^
     -DBROWSER_OPEN=true ^
-    -DSTIRLING_PDF_DESKTOP_UI=false ^
     -jar "%STIRLING_JAR%" ^
     %*
 EOF