Removed a method that is not part of the super class

Author: Andreas Schaefer

src/main/java/com/headwire/aem/tooling/intellij/explorer/SlingMavenModuleBuilder.java

@@ -159,11 +159,6 @@ public String getDescription() {
             "You can create either a blank Maven module or a module based on a <b>Maven archetype</b>.";
     }
 
-    @Override
-    public Icon getBigIcon() {
-        return AllIcons.Modules.Types.JavaModule;
-    }
-
     @Override
     public Icon getNodeIcon() {
         return IconLoader.getIcon("/images/sling.gif");