Remove comment about main from update-required-checks.sh

Author: mbg

.github/workflows/script/update-required-checks.sh

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 # Update the required checks based on the current branch.
-# Typically, this will be main.
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 REPO_DIR="$(dirname "$SCRIPT_DIR")"