Fixup housekeeping from being invoked twice per loop. (#12933)

tmk_core/protocol/vusb/main.c

@@ -173,8 +173,7 @@ int main(void) {
 #endif
 
             // Run housekeeping
-            housekeeping_task_kb();
-            housekeeping_task_user();
+            housekeeping_task();
         }
     }
 }