Remove outdated github actions

.github/workflows/lint-dockerfiles.yml

@@ -17,7 +17,6 @@ jobs:
           - docker/nginx/testing/Dockerfile
           - docker/sia/Dockerfile
           - packages/dashboard/Dockerfile
-          - packages/dashboard-v2/Dockerfile
           - packages/dnslink-api/Dockerfile
           - packages/handshake-api/Dockerfile
           - packages/health-check/Dockerfile

.github/workflows/lint-packages-dashboard-v2.yml

@@ -1,24 +0,0 @@
-name: Lint - packages/dashboard-v2
-
-on:
-  pull_request:
-    paths:
-      - packages/dashboard-v2/**
-
-defaults:
-  run:
-    working-directory: packages/dashboard-v2
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-        with:
-          node-version: 16.x
-
-      - run: yarn
-      - run: yarn prettier --check
-      - run: yarn lint