chore: remove CI_DISABLE condition from workflows

Eliminate the global CI kill switch condition from the portal-maintenance and portal-rollback workflows to streamline CI execution.

Author: kzndotsh

.github/workflows/portal-maintenance.yml

@@ -16,12 +16,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: false
 
-# Global CI kill switch: commit `.github/CI_DISABLE` (see `.github/CI_DISABLE.example`).
-
 jobs:
   todos:
     name: TODOs
-    if: ${{ hashFiles('.github/CI_DISABLE') == '' }}
     runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:

.github/workflows/portal-rollback.yml

@@ -26,12 +26,9 @@ env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
 
-# Global CI kill switch: commit `.github/CI_DISABLE` (see `.github/CI_DISABLE.example`).
-
 jobs:
   rollback:
     name: Rollback ${{ github.event.inputs.environment }}
-    if: ${{ hashFiles('.github/CI_DISABLE') == '' }}
     runs-on: ubuntu-latest
     timeout-minutes: 15
     environment: