removed double announcement for grid checks

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>

code/modules/events/grid_check.dm

@@ -1,11 +1,11 @@
 /datum/event/grid_check	//NOTE: Times are measured in master controller ticks!
-	startWhen		= 5
+	announceWhen		= 5
 
 /datum/event/grid_check/setup()
 	endWhen = rand(90,600)
 
 /datum/event/grid_check/start()
-	power_failure(1)
+	power_failure(0)
 
 /datum/event/grid_check/announce()
 	command_alert("Abnormal activity detected in [station_name()]'s powernet. As a precautionary measure, the station's power will be shut off for an indeterminate duration.", "Automated Grid Check")
@@ -13,7 +13,4 @@
 		M << sound('sound/AI/poweroff.ogg')
 
 /datum/event/grid_check/end()
-	command_alert("Power has been restored to [station_name()]. We apologize for the inconvenience.", "Power Systems Nominal")
-	for(var/mob/M in player_list)
-		M << sound('sound/AI/poweron.ogg')
 	power_restore()