Fix discord alerts for entity protection (#298)

modules/addons/discord-alerts.lua

@@ -105,7 +105,7 @@ if config.entity_protection then
             color=Colors.yellow,
             ['Player']='<inline>' .. append_playtime(player_name),
             ['Entity']='<inline>' .. event.entity.name,
-            ['Location']=event.entity.position
+            ['Location']='X ' .. event.entity.position.x .. ' Y ' .. event.entity.position.y
         }
     end)
 end
@@ -300,4 +300,4 @@ Event.add(defines.events.on_console_command, function(event)
             }
         end
     end
-end)
+end)