Alert unsigned commits higher frequency (#16579)

.github/workflows/alert_unsigned_commits.yml

@@ -21,12 +21,7 @@ jobs:
           set -x
           HEAD_SHA=${{ github.event.pull_request.head.sha }}
           PR_NUMBER=${{ github.event.pull_request.number }}
-
           BRAVE_CORE_PATH=brave/brave-core
-          post_once() {
-              comments=$(gh -R "$BRAVE_CORE_PATH" pr view "$PR_NUMBER" --json comments --jq ".comments[].body")
-              grep -F -q "$(head -1 <<<"$1")" <<<"$comments" || gh -R "$BRAVE_CORE_PATH" pr comment "$PR_NUMBER" -b "$1"
-          }
 
           commit=$(gh api -H "Accept: application/vnd.github+json" "/repos/${BRAVE_CORE_PATH}/commits/${HEAD_SHA}")
           verification=$(jq -r .commit.verification <<<"$commit")
@@ -39,5 +34,5 @@ jobs:
           Please follow the handbook to configure [commit signing](https://github.com/brave/handbook/blob/master/development/commit-and-tag-signing.md)
           cc: @${author_login}
           "
-              post_once "$msg"
+              gh -R "$BRAVE_CORE_PATH" pr comment "$PR_NUMBER" -b "$msg"
           fi