fix: remove nonexistent samples directory checkout from CI

Author: AkshajSonar

.github/workflows/fork-ci.yml

@@ -25,7 +25,6 @@ jobs:
       - name: Restore sample files from main
         run: |
           git fetch origin main --depth=1
-          git checkout origin/main -- samples/
 
       - name: Run test suite
         id: tests