Remove duplicated action

Author: Laffini

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-# This workflow will build a Java project with Maven
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
 # For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
 
 name: Java CI with Maven
@@ -16,15 +16,17 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+    - name: Set up JDK 11
+      uses: actions/setup-java@v2
       with:
-        java-version: 1.8
+        java-version: '11'
+        distribution: 'adopt'
+        cache: maven
         server-id: github
         server-username: GITHUB_USER_REF
         server-password: GITHUB_TOKEN_REF
     - name: Build with Maven
       env:
           GITHUB_USER_REF: ${{ secrets.GH_PACKAGE_REPO_USERNAME }}
           GITHUB_TOKEN_REF: ${{ secrets.GH_PACKAGE_REPO_PASSWORD }}
-      run: mvn clean install -s settings.xml -B package --file pom.xml -X
+      run: mvn -s settings.xml -B package --file pom.xml