Bench: disable Code Style and Database Staging jobs

Author: tjementum

.github/workflows/account.yml

@@ -161,7 +161,7 @@ jobs:
 
   code-style-and-linting:
     name: Code Style and Linting
-    if: github.event_name == 'pull_request'
+    if: false # BENCH: temporarily disabled for PP-1209 CI A/B benchmark
     runs-on: ubuntu-24.04
 
     steps:
@@ -236,7 +236,7 @@ jobs:
 
   database-migrations-stage:
     name: Database Staging
-    if: ${{ vars.STAGING_CLUSTER_ENABLED == 'true' }}
+    if: false # BENCH: temporarily disabled for PP-1209 CI A/B benchmark
     needs: build-and-test
     uses: ./.github/workflows/_migrate-database.yml
     secrets: inherit