remove github action

.github/workflows/typecheck.yml

@@ -1,17 +0,0 @@
-name: Type Check
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-jobs:
-  typecheck:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      - run: npm ci
-      - run: npm run build:types