Cleanup unused variables

UI/Contacts/UIxContactFolderProperties.m

@@ -65,7 +65,7 @@
 {
   WORequest *request;
   NSDictionary *params;
-  id o, values;
+  id o;
 
   request = [context request];
   params = [[request contentAsString] objectFromJSONString];

UI/MailerUI/UIxMailListActions.m

@@ -759,7 +759,6 @@
   NSDictionary *data, *requestContent;
   SOGoMailFolder *folder;
   WORequest *request;
-  WOResponse *response;
 
   request = [context request];
   requestContent = [[request contentAsString] objectFromJSONString];

UI/MainUI/SOGoUserHomePage.m

@@ -649,7 +649,6 @@
 {
   NSString *folderType;
   NSMutableArray *folders;
-  NSDictionary *message;
   id <WOActionResults> result;
   SOGoUserFolder *userFolder;