ci: remove check-size action

The check-size action is deprecated and was not updated in 3 years, thus removing the action as it fails with the current check-size version

Author: apertureless

.github/workflows/checks.yml

@@ -19,10 +19,6 @@ jobs:
         with:
           node-version: 16
           cache: 'pnpm'
-      - name: Check size
-        uses: andresz1/size-limit-action@master
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
   typings:
     runs-on: ubuntu-latest
     name: typings