ci(gha): remove setup-go from licensing workflow

Author: joemiller

.github/workflows/licensing.yaml

@@ -18,9 +18,5 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
-        with:
-          go-version-file: go.mod
-
       - run: sudo gem install license_finder
       - run: license_finder