Remove GitHub actions workflow

Now I can deploy manually using Netlify CLI:

    yarn add netlify-cli
    netlify login  # login to Netlify
    netlify link  # link the directory to the site
    # deploy, omit "--prod" if you want to preview
    netlify deploy --dir=_site --prod

.github/workflows/build.yml

@@ -1,28 +0,0 @@
-on: [push]
-name: build
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-haskell@v1.1
-        with:
-          enable-stack: true
-          stack-no-global: true
-          stack-version: 'latest'
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.stack
-            .stack-work
-          key: ${{ hashFiles('stack.yaml') }}-${{ hashFiles('stack.yaml.lock') }}-${{ hashFiles('newblog.cabal') }}
-      - run: stack build
-      - run: stack exec site build
-      - uses: netlify/actions/cli@master
-        if: github.ref == 'refs/heads/master'
-        with:
-          args: deploy --dir=_site --prod
-        env:
-          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
-          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}

.gitignore

@@ -4,3 +4,9 @@ _cache/
 bib/auto/
 */ltximg/
 _site/
+
+# Netlify CLI and related
+.netlify/
+package.json
+yarn.lock
+node_modules/

README.org

@@ -1,3 +1 @@
 * Personal blog
-
-[[https://app.netlify.com/sites/jolly-visvesvaraya-be2270/deploys][file:https://api.netlify.com/api/v1/badges/69ba87f1-7020-450d-9c01-ca39b0511b1e/deploy-status.svg]]