Remove migrated build configs

.github/workflows/doc.yml

@@ -0,0 +1,23 @@
+name: doc
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Create Build Environment
+      run: |
+        sudo apt install doxygen
+        cmake -E make_directory ${{runner.workspace}}/build
+
+    - name: Configure
+      working-directory: ${{runner.workspace}}/build
+      run: cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} $GITHUB_WORKSPACE
+
+    - name: Build
+      working-directory: ${{runner.workspace}}/build
+      run: cmake --build . --config ${{matrix.build_type}}