remove webapp CI

.github/workflows/deploy-webapp.yml

@@ -1,31 +0,0 @@
-name: Deploy webapp to Skynet
-
-on:
-  pull_request:
-    paths:
-      - "packages/webapp/**"
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js
-        uses: actions/setup-node@v1
-        with:
-          node-version: 14.x
-
-      - name: Install dependencies
-        run: yarn
-
-      - name: "Build webapp"
-        run: yarn workspace webapp build
-        env:
-          GATSBY_API_URL: "https://siasky.net"
-
-      - name: "Deploy to Skynet"
-        uses: kwypchlo/deploy-to-skynet-action@main
-        with:
-          upload-dir: packages/webapp/public
-          github-token: ${{ secrets.GITHUB_TOKEN }}