Don't run CodeQL in merge group

Author: mbg

.github/workflows/codeql.yml

@@ -7,8 +7,6 @@ on:
     # Run checks on reopened draft PRs to support triggering PR checks on draft PRs that were opened
     # by other workflows.
     types: [opened, synchronize, reopened, ready_for_review]
-  merge_group:
-    types: [checks_requested]
   schedule:
     # Weekly on Sunday.
     - cron: '30 1 * * 0'
@@ -66,7 +64,7 @@ jobs:
         #
         # If we're running on push or schedule, then we can skip running with `tools: linked` when it would be
         # the same as running with `tools: null`.
-        if [[ "$GITHUB_EVENT_NAME" != "pull_request" && "$GITHUB_EVENT_NAME" != "merge_group" && "$CODEQL_VERSION_DEFAULT" == "$CODEQL_VERSION_LATEST" ]]; then
+        if [[ "$GITHUB_EVENT_NAME" != "pull_request" && "$CODEQL_VERSION_DEFAULT" == "$CODEQL_VERSION_LATEST" ]]; then
           VERSIONS_JSON='[null]'
         else
           VERSIONS_JSON='[null, "linked"]'