Remove comment

Author: javizqh

Worlds/roomba_1_house_harmonic.world

@@ -27,11 +27,11 @@
       <grid>false</grid>
     </scene>
 
-    <!-- <include>
+    <include>
       <uri>model://roombaROS</uri>
       <pose>-1 1.5 0 0 0 0</pose>
     </include>
-     -->
+    
     <include>
       <uri>model://house_int2</uri>
       <pose>0 0 0 0 0 0</pose>