[Infra] Remove unneeded debug code (#13441)

Author: ncooke3

scripts/release_testing_setup.sh

@@ -37,7 +37,6 @@ fi
 # The chunk below is to determine the latest version by searching
 # Get the latest released tag Cocoapods-X.Y.Z for release and prerelease testing, beta version will be excluded.
 test_version=$(git tag -l --sort=-version:refname --merged main 'CocoaPods-*[0-9]' | head -n 1)
-git for-each-ref --sort=-creatordate --format '%(creatordate:short) %(refname:short)' refs/tags | head -n 3
 if [ -z "$test_version" ]; then
   echo "Latest tag could not be found. Exiting." >&2
   exit 1