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/org/apache/pdfbox/examples/util/DeletingRandomAccessFile.java

@@ -0,0 +1,39 @@
+package org.apache.pdfbox.examples.util;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import org.apache.pdfbox.io.RandomAccessReadBufferedFile;
+
+import lombok.extern.slf4j.Slf4j;
+
+/** A custom RandomAccessRead implementation that deletes the file when closed */
+@Slf4j
+public class DeletingRandomAccessFile extends RandomAccessReadBufferedFile {
+    private final Path tempFilePath;
+
+    public DeletingRandomAccessFile(File file) throws IOException {
+        super(file);
+        this.tempFilePath = file.toPath();
+    }
+
+    @Override
+    public void close() throws IOException {
+        try {
+            super.close();
+        } finally {
+            try {
+                boolean deleted = Files.deleteIfExists(tempFilePath);
+                if (deleted) {
+                    log.info("Successfully deleted temp file: {}", tempFilePath);
+                } else {
+                    log.warn("Failed to delete temp file (may not exist): {}", tempFilePath);
+                }
+            } catch (IOException e) {
+                log.error("Error deleting temp file: {}", tempFilePath, e);
+            }
+        }
+    }
+}