Update maven.yml

Author: FrancescoDiSalesGithub

.github/workflows/maven.yml

@@ -15,12 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 14  
-      uses: actions/setup-java@v1
-      with:
-        java-version: 14
-    - name: Build with maven 
+    - uses: actions/setup-java@v1
     - run: mvn -B package --file pom.xml
     - run: mkdir staging && cp target/*.jar staging
     - uses: actions/upload-artifact@v2