Update parent POM

pom.xml

@@ -7,13 +7,21 @@
     <parent>
         <groupId>at.favre.lib</groupId>
         <artifactId>common-parent</artifactId>
-        <version>5</version>
+        <version>6</version>
     </parent>
 
     <groupId>at.favre.tools</groupId>
     <artifactId>uber-apk-signer</artifactId>
     <version>1.1.0</version>
 
+    <properties>
+        <commonConfig.errorprone.source>8</commonConfig.errorprone.source>
+        <commonConfig.errorprone.target>8</commonConfig.errorprone.target>
+        <commonConfig.errorprone.plugin.version>2.8.6</commonConfig.errorprone.plugin.version>
+        <commonConfig.errorprone.core.version>2.3.4</commonConfig.errorprone.core.version>
+    </properties>
+
+
     <repositories>
         <repository>
             <id>jcenter</id>
@@ -48,27 +56,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.0</version>
-                <configuration>
-                    <compilerId>javac-with-errorprone</compilerId>
-                    <forceJavacCompilerUse>true</forceJavacCompilerUse>
-                    <source>8</source>
-                    <target>8</target>
-                </configuration>
-                <dependencies>
-                    <dependency>
-                        <groupId>org.codehaus.plexus</groupId>
-                        <artifactId>plexus-compiler-javac-errorprone</artifactId>
-                        <version>2.8.1</version>
-                    </dependency>
-                    <!-- override plexus-compiler-javac-errorprone's dependency on
-                         Error Prone with the latest version -->
-                    <dependency>
-                        <groupId>com.google.errorprone</groupId>
-                        <artifactId>error_prone_core</artifactId>
-                        <version>2.0.17</version>
-                    </dependency>
-                </dependencies>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -129,9 +116,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jarsigner-plugin</artifactId>
-                <configuration>
-                    <keystore>${project.basedir}/keystore.jks</keystore>
-                </configuration>
             </plugin>
             <plugin>
                 <groupId>net.nicoulaj.maven.plugins</groupId>