Exclude .mvn/jvm.config and .mvn/wrapper/maven-wrapper.properties (#2387)

* Remove .helmignore file

* Exclude .mvn/jvm.config and .mvn/wrapper/maven-wrapper.properties

When running rat, exclude .mvn/jvm.config and .mvn/wrapper/maven-wrapper.properties

pom.xml

@@ -792,6 +792,8 @@
                         <exclude>**/docs/**</exclude>
                         <exclude>**/*.babelrc</exclude>
                         <exclude>**/*.eslintrc</exclude>
+                        <exclude>**/.mvn/jvm.config</exclude>
+                        <exclude>**/.mvn/wrapper/maven-wrapper.properties</exclude>
                     </excludes>
                     <consoleOutput>true</consoleOutput>
                 </configuration>