chore: remove quality-checks workflow from nightly build and weekly promotion jobs

.github/workflows/nightly-build.yml

@@ -96,7 +96,6 @@ jobs:
             core.info(`Current nightly HEAD: ${nightlyHeadSha}`);
 
             const workflows = [
-              { id: 'quality-checks.yml' },
               { id: 'e2e-tests-split.yml' },
               { id: 'codecov-upload.yml', inputs: { run_backend: 'true', run_frontend: 'true' } },
               { id: 'security-pr.yml' },

.github/workflows/quality-checks.yml

@@ -3,7 +3,6 @@ name: Quality Checks
 on:
   pull_request:
   push:
-  workflow_dispatch:
 
 
 concurrency:

.github/workflows/weekly-nightly-promotion.yml

@@ -440,7 +440,6 @@ jobs:
             core.info(`Current nightly HEAD for dispatch fallback: ${nightlyHeadSha}`);
 
             const requiredWorkflows = [
-              { id: 'quality-checks.yml' },
               { id: 'e2e-tests-split.yml' },
               { id: 'codeql.yml' },
               { id: 'codecov-upload.yml', inputs: { run_backend: 'true', run_frontend: 'true' } },