chore: Fix debug output

git_tidy_local_branches.sh

@@ -4,7 +4,8 @@
 git remote prune origin
 
 GONE_BRANCHES=$(git branch -vv | grep 'origin/.*: gone]' | awk '{print $1}')
-echo "[DEBUG]: $GONE_BRANCHES"
+echo "[DEBUG] gone branches:"
+echo "$GONE_BRANCHES"
 
 if [ -z "$GONE_BRANCHES" ]; then
   echo "Could not find any local branches where the remote is gone"
@@ -22,7 +23,7 @@ else
 fi
 
 if [ "$FAILED_TO_DELETE" = "true" ]; then
-#   echo "error: Some local branches are not fully merged."
+  echo "error: Some local branches are not fully merged."
   echo
   echo "If you are sure you want to delete all branches above, run 'git-glean -f'"
 fi