chore(ci): remove preview PR workflow (#452)

.github/workflows/preview_cleanup.yml

@@ -1,39 +0,0 @@
-name: Clean Preview
-
-#! Safety:
-#! this workflow should not execute any untrusted input at all
-#! see the docs on `pull_request_target` for more
-on:
-    pull_request_target:
-        types: [unlabeled]
-
-jobs:
-    clean:
-        runs-on: ubuntu-latest
-        if: github.event.label.name == 'use-preview'
-        env:
-            BASE: refs/pull/${{ github.event.pull_request.number }}
-
-        steps:
-            - uses: actions/checkout@v2
-              with:
-                  ref: build-previews
-                  persist-credentials: false
-
-            - name: clean previews
-              run: rm -rf "$BASE"
-
-            - name: publish cleaned previews
-              uses: JamesIves/github-pages-deploy-action@4.1.5
-              with:
-                  folder: .
-                  branch: build-previews
-                  commit-message: "Cleaning up build result for #${{ github.event.pull_request.number }}"
-
-            - name: send comment
-              uses: marocchino/sticky-pull-request-comment@v2
-              with:
-                  header: Preview environment
-                  message: |
-                      ## Preview environment
-                      There is no longer a preview enviroment for this pull request due to the `use-preview` label being removed

.github/workflows/preview_pull_request.yml

@@ -1,52 +0,0 @@
-name: Preview Pull Request
-
-#! Safety:
-#! this workflow should not execute any untrusted input at all
-#! see the docs on `pull_request_target` for more
-on:
-    pull_request_target:
-        types: [synchronize, reopened, labeled]
-
-jobs:
-    preview:
-        runs-on: ubuntu-latest
-        # make sure the pull request is labeled with 'use-preview'
-        if: github.event.label.name == 'use-preview' || contains(github.event.pull_request.labels.*.name, 'use-preview')
-        env:
-            BASE: refs/pull/${{ github.event.pull_request.number }}/merge
-            REPO: ${{ github.event.repository.name }}
-
-        steps:
-            - uses: actions/checkout@v2
-
-            - uses: actions/checkout@v2
-              with:
-                  # Head commit of the pull request
-                  ref: ${{ github.event.pull_request.head.sha }}
-                  path: pull
-                  submodules: recursive
-
-            - name: build
-              uses: ./.github/actions/build
-              with:
-                  base: /${{ env.REPO }}/${{ env.BASE }}/
-                  folder: pull
-
-            - name: publish preview
-              uses: JamesIves/github-pages-deploy-action@4.1.5
-              with:
-                  folder: pull/dist
-                  branch: build-previews
-                  target-folder: ${{ env.BASE }}
-                  single-commit: true
-                  commit-message: "Publishing build result from #${{ github.event.pull_request.number }}"
-
-            - name: send comment
-              uses: marocchino/sticky-pull-request-comment@v2
-              with:
-                  header: Preview environment
-                  message: |
-                      ## Preview environment
-                      https://${{ github.repository_owner }}.github.io/${{ env.REPO }}/${{ env.BASE }}/
-
-                      This link will remain active until the `use-preview` label is removed.