chore: Remove unnecessary workflows

.github/workflows/build.yml

@@ -1,51 +0,0 @@
-name: Build
-
-on:
-  push: {}
-  merge_group:
-  pull_request:
-    types:
-      - opened
-      - synchronize
-      - ready_for_review
-
-permissions:
-  contents: read
-
-jobs:
-  build-mermaid:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: pnpm/action-setup@v2
-        # uses version from "packageManager" field in package.json
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          cache: pnpm
-          node-version-file: '.node-version'
-
-      - name: Install Packages
-        run: |
-          pnpm install --frozen-lockfile
-        env:
-          CYPRESS_CACHE_FOLDER: .cache/Cypress
-
-      - name: Run Build
-        run: pnpm run build
-
-      - name: Upload Mermaid Build as Artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: mermaid
-          path: packages/mermaid/dist
-
-      - name: Upload all packages as Artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: mermaid-all
-          path: |
-            packages/**/dist
-            !**/node_modules