Refactor Generate Diff step to remove commented-out code and ensure consistent diff generation

Author: LiteObject

.github/workflows/code-review.yml

@@ -28,13 +28,7 @@ jobs:
         id: generate-diff
         run: |
           echo "Generating diff between origin/${{ github.base_ref }} and origin/${{ github.head_ref }}"
-          git diff --unified=5 origin/${{ github.base_ref }}...origin/${{ github.head_ref }} > changes.diff
-
-      # - name: Generate Diff
-      #   id: generate-diff
-      #   run: |
-      #     echo "Generating diff between ${{ github.base_ref }} and pull request head"
-      #     git diff --unified=0 origin/${{ github.event.pull_request.base.ref }}..FETCH_HEAD > changes.diff
+          git diff --unified=5 origin/${{ github.base_ref }}...origin/${{ github.head_ref }} > changes.diff      
 
       - name: Sanitize Diff
         run: |