Remove hard coded setting for moderator conf ctls (#5221)

Conference Controls for moderators are hard coded. Because of this you cannot use the Conference Controls app in the web interface to create a new set of moderator controls and set them in the Conference Profile.

app/scripts/resources/scripts/app/conference_center/index.lua

@@ -700,7 +700,7 @@
 								flags = flags .. "|endconf";
 							end
 						--set the moderator controls
-							session:execute("set","conference_controls=moderator");
+							--session:execute("set","conference_controls=moderator");
 					end
 
 				--get the conference xml_list