Disabled GitHub actions

.github/workflows/maven.yml

@@ -1,26 +0,0 @@
-name: Java CI
-
-on: [ push ]
-
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v1
-
-      - name: Set up JDK 11
-        uses: actions/setup-java@v1
-        with:
-          java-version: 11
-
-      - name: Build with Maven
-        run: mvn -B package --file pom.xml
-
-      - run: mkdir -p target
-
-      - uses: actions/upload-artifact@master
-        with:
-          name: MapReflectionAPI
-          path: target