remove check file size workflow

.github/workflows/check_file_size.yml

@@ -1,19 +0,0 @@
-name: Check file size
-on:               # or directly `on: [push]` to run the action on every push on any branch
-  pull_request:
-    branches: [main, dev_branch]
-
-  # to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-jobs:
-  sync-to-hub:
-    runs-on: ubuntu-latest
-    permissions:
-      # required for ppremk/lfs-warning
-      pull-requests: write
-    steps:
-      - name: Check large files
-        uses: ActionsDesk/lfs-warning@v3.3
-        with:
-          filesizelimit: 10485760 # this is 10MB so we can sync to HF Spaces