ci: clang-tidy: no repo ref

Author: hmaciak

.github/workflows/clang-tidy.yml

@@ -39,7 +39,6 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           fetch-depth: 0
-          repository: ${{ github.event.pull_request.head.repo.full_name }}
 
       - name: Install clang
         run: |