[Server] Don't automatically send kill count packets to other players

This should be handled in server scripts instead so that servers with respawning NPCs can be have kills shared across parties and witnesses instead of shared across all players on the server.

apps/openmw-mp/processors/player/ProcessorWorldKillCount.hpp

@@ -17,8 +17,6 @@ namespace mwmp
         {
             DEBUG_PRINTF(strPacketID.c_str());
 
-            packet.Send(true);
-
             Script::Call<Script::CallbackIdentity("OnWorldKillCount")>(player.getId());
         }
     };