Remove unused workflow

.github/workflows/frontend-checks.yml

@@ -1,32 +0,0 @@
-name: Check frontend
-
-on:
-  push:
-    paths-ignore:
-      - '**.lock'
-      - '**.rs'
-      - '**.toml'
-  pull_request:
-    paths-ignore:
-      - '**.lock'
-      - '**.rs'
-      - '**.toml'
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}
-  cancel-in-progress: true
-
-jobs:
-  prettier-tsc-eslint-checks:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Install modules
-        run: yarn
-      - name: Run prettier
-        run: yarn prettier --check .
-      - name: Run tsc
-        run: yarn tsc --noEmit
-      - name: Run ESLint
-        run: yarn eslint src