revert: remove activation-permission workaround triggers from PR #1271 (#1386)

Author: Copilot

.github/workflows/gh-aw-internal-gemini-cli-web-search.lock.yml

@@ -20,12 +20,6 @@ engine:
     group: "gh-aw-gemini-${{ github.workflow }}-internal-gemini-cli-web-search-${{ github.event.issue.number }}"
 on:
   stale-check: false
-  issue_comment:
-    types: [created]
-  pull_request_review_comment:
-    types: [created]
-  discussion_comment:
-    types: [created]
   workflow_call:
     inputs:
       model:

.github/workflows/gh-aw-internal-gemini-cli-web-search.md

@@ -22,12 +22,6 @@ engine:
     group: "gh-aw-gemini-${{ github.workflow }}-internal-gemini-cli-${{ github.event.issue.number }}"
 on:
   stale-check: false
-  issue_comment:
-    types: [created]
-  pull_request_review_comment:
-    types: [created]
-  discussion_comment:
-    types: [created]
   workflow_call:
     inputs:
       model: