Rename CustomPDDocumentFactory to CustomPDFDocumentFactory across multiple controllers (#3163)

# 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: Anthony Stirling <[email protected]>

src/main/java/stirling/software/SPDF/controller/api/PdfImageRemovalController.java

@@ -15,7 +15,7 @@ import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import stirling.software.SPDF.model.api.PDFFile;
-import stirling.software.SPDF.service.CustomPDDocumentFactory;
+import stirling.software.SPDF.service.CustomPDFDocumentFactory;
 import stirling.software.SPDF.service.PdfImageRemovalService;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
@@ -31,7 +31,7 @@ public class PdfImageRemovalController {
     // Service for removing images from PDFs
     private final PdfImageRemovalService pdfImageRemovalService;
 
-    private final CustomPDDocumentFactory pdfDocumentFactory;
+    private final CustomPDFDocumentFactory pdfDocumentFactory;
 
     /**
      * Constructor for dependency injection of PdfImageRemovalService.
@@ -41,7 +41,7 @@ public class PdfImageRemovalController {
     @Autowired
     public PdfImageRemovalController(
             PdfImageRemovalService pdfImageRemovalService,
-            CustomPDDocumentFactory pdfDocumentFactory) {
+            CustomPDFDocumentFactory pdfDocumentFactory) {
         this.pdfImageRemovalService = pdfImageRemovalService;
         this.pdfDocumentFactory = pdfDocumentFactory;
     }
@@ -61,7 +61,8 @@ public class PdfImageRemovalController {
     @Operation(
             summary = "Remove images from file to reduce the file size.",
             description =
-                    "This endpoint remove images from file to reduce the file size.Input:PDF Output:PDF Type:MISO")
+                    "This endpoint remove images from file to reduce the file size.Input:PDF"
+                            + " Output:PDF Type:MISO")
     public ResponseEntity<byte[]> removeImages(@ModelAttribute PDFFile file) throws IOException {
         // Load the PDF document
         PDDocument document = pdfDocumentFactory.load(file);