Remove github builds

.github/workflows/build-plugin.yml

@@ -1,71 +0,0 @@
-name: Build VCV Rack Plugin
-on: [push, pull_request]
-
-env:
-  rack-sdk-version: 2.1.0
-
-defaults:
-  run:
-    shell: bash
-
-jobs:
-  build:
-    name: ${{ matrix.config.os }}
-    runs-on: ${{ matrix.config.os }}
-    strategy:
-      matrix:
-        config:
-          - os: ubuntu-latest
-            arch: lin
-            compiler: cc
-            install-dependencies: |
-              sudo apt-get update && sudo apt-get install -y libglu-dev
-          - os: macos-latest
-            arch: mac
-            compiler: cc
-            install-dependencies: |
-              brew install mesa
-          - os: windows-latest
-            arch: win
-            compiler: gcc
-            install-dependencies: |
-              choco install --no-progress -y zip
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: true
-      - name: Install Rack SDK
-        run: |
-          curl -o sdk.zip https://vcvrack.com/downloads/Rack-SDK-${{ env.rack-sdk-version }}-${{ matrix.config.arch }}.zip
-          unzip sdk.zip
-      - name: Install Dependencies
-        run: |
-          ${{ matrix.config.install-dependencies }}
-      - name: Build
-        env:
-          RACK_DIR: Rack-SDK
-          CC: ${{ matrix.config.compiler }}
-        run: |
-          make dist
-      - name: Upload artifact
-        uses: actions/upload-artifact@v2
-        with:
-          path: dist
-          name: ${{ matrix.config.arch }}.zip
-
-  publish:
-    name: Publish plugin
-    runs-on: ubuntu-18.04
-    needs: build
-    steps:
-      - uses: actions/download-artifact@v2
-        with:
-          path: _artifacts
-      - uses: "marvinpinto/action-automatic-releases@latest"
-        with:
-          repo_token: "${{ secrets.GITHUB_TOKEN }}"
-          automatic_release_tag: "latest"
-          prerelease: true
-          title: "Development Build"
-          files: |          
-            _artifacts/**/*.vcvplugin