Revert "Add trailing whitespace check workflow" (#38179)

Revert "Add trailing whitespace check workflow (#37367)"

This reverts commit be35f6e9ce.

.github/workflows/check-trailing-whitespace.yml

@@ -1,54 +0,0 @@
-name: Trailing Whitespace Check
-
-on:
-  pull_request:
-    types: [ opened, reopened, synchronize, ready_for_review ]
-
-jobs:
-  build:
-    name: Trailing Whitespace Check
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4.2.2
-    - name: Get changed text files
-      id: changed-files
-      uses: tj-actions/changed-files@v46.0.5
-      with:
-        files: |
-          **.cs
-          **.yml
-          **.swsl
-          **.json
-          **.py
-    - name: Check for trailing whitespace and EOF newline
-      env:
-        ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
-      run: |
-        has_trailing_whitespace=0
-        has_missing_eof_newline=0
-
-        for file in ${ALL_CHANGED_FILES}; do
-          echo "Checking $file"
-
-          # Check for trailing whitespace
-          if grep -qP '[ \t]+$' "$file"; then
-            echo "::error file=$file::Trailing whitespace found"
-            has_trailing_whitespace=1
-          fi
-
-          # Check for missing EOF newline
-          if [ -f "$file" ] && [ -s "$file" ]; then
-            last_char=$(tail -c 1 "$file")
-            if [ "$last_char" != "" ] && [ "$last_char" != $'\n' ]; then
-              echo "::error file=$file::Missing newline at end of file"
-              has_missing_eof_newline=1
-            fi
-          fi
-        done
-
-        if [ "$has_trailing_whitespace" -eq 1 ] || [ "$has_missing_eof_newline" -eq 1 ]; then
-          echo "Issues found: trailing whitespace or missing EOF newline."
-          echo "We recommend using an IDE to prevent this from happening."
-          exit 1
-        fi