ui:activity Removed unused override method

Overriding a method just to call the same method from the super class without performing any other actions is useless and misleading.

src/main/java/com/owncloud/android/ui/activity/ManageAccountsActivity.java

@@ -147,11 +147,6 @@ public class ManageAccountsActivity extends FileActivity
         initializeComponentGetters();
     }
 
-    @Override
-    protected void onResume() {
-        super.onResume();
-    }
-
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);