remove AnnounceOnSeen from Red Alert mod again

closes #7787

mods/ra/rules/aircraft.yaml

@@ -34,7 +34,6 @@ BADR:
 	-EjectOnDeath:
 	-GpsDot:
 	RejectsOrders:
-	-AnnounceOnSeen:
 
 BADR.Bomber:
 	Inherits: ^Plane
@@ -351,5 +350,4 @@ U2:
 		Offset: -1c43,0,0
 		Interval: 2
 	RejectsOrders:
-	-AnnounceOnSeen:
 

mods/ra/rules/defaults.yaml

@@ -72,8 +72,6 @@
 	TimedUpgradeBar:
 		Upgrade: invulnerability
 	MustBeDestroyed:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Tank:
 	AppearsOnRadar:
@@ -159,8 +157,6 @@
 		GroundCorpsePalette:
 		WaterCorpseSequence:
 		WaterCorpsePalette:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Infantry:
 	AppearsOnRadar:
@@ -252,8 +248,6 @@
 		UpgradeMinEnabledLevel: 1
 	UpgradeManager:
 	MustBeDestroyed:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Ship:
 	AppearsOnRadar:
@@ -308,8 +302,6 @@
 		Upgrade: invulnerability
 		UpgradeMinEnabledLevel: 1
 	MustBeDestroyed:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Plane:
 	AppearsOnRadar:
@@ -367,8 +359,6 @@
 		Upgrade: invulnerability
 	WithShadow:
 	MustBeDestroyed:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Helicopter:
 	Inherits: ^Plane
@@ -377,8 +367,6 @@
 	GpsDot:
 		String: Helicopter
 	Hovers:
-	AnnounceOnSeen:
-		Notification: EnemyUnitsApproaching
 
 ^Building:
 	AppearsOnRadar: