Remove RA gates

They aren't used on any shipping map, and removing them significantly
reduces the overscan radius of blockable projectiles in the mod.

mods/ra/rules/defaults.yaml

@@ -704,34 +704,6 @@
 	EditorTilesetFilter:
 		Categories: Wall
 
-^Gate:
-	Inherits: ^BasicBuilding
-	Valued:
-		Cost: 250
-	Health:
-		HP: 35000
-	Armor:
-		Type: Heavy
-	LineBuildNode:
-		Types: concrete, gate
-	-WithSpriteBody:
-	WithGateSpriteBody:
-	Tooltip:
-		Name: Gate
-	Building:
-		BuildSounds: place2.aud
-		TerrainTypes: Clear, Road
-		UndeploySounds: cashturn.aud
-	RequiresBuildableArea:
-		AreaTypes: building
-		Adjacent: 4
-	EditorTilesetFilter:
-		Categories: Wall
-	Gate:
-		OpeningSound: cashturn.aud
-		ClosingSound: cashturn.aud
-		BlocksProjectilesHeight: 0
-
 ^TechBuilding:
 	Inherits: ^BasicBuilding
 	Huntable:

mods/ra/rules/structures.yaml

@@ -1907,50 +1907,6 @@ BRIK:
 	WithWallSpriteBody:
 		Type: concrete
 
-VGATE:
-	Inherits: ^Gate
-	HitShape:
-		UseTargetableCellsOffsets: true
-		Type: Rectangle
-			TopLeft: -512, -1536
-			BottomRight: 512, 1536
-	Building:
-		Footprint: x x x
-		Dimensions: 1,3
-	WithGateSpriteBody:
-		WallConnections: 0,-1, 0,3
-	LineBuildNode:
-		Connections: 0,-1, 0,1
-	Tooltip:
-		Name: Vertical Gate
-
-HGATE:
-	Inherits: ^Gate
-	HitShape:
-		UseTargetableCellsOffsets: true
-		Type: Rectangle
-			TopLeft: -1536, -512
-			BottomRight: 1536, 512
-	Building:
-		Footprint: xxx
-		Dimensions: 3,1
-	WithGateSpriteBody:
-		WallConnections: -1,0, 3,0
-	LineBuildNode:
-		Connections: -1,0, 1,0
-	Tooltip:
-		Name: Horizontal Gate
-	RenderSprites:
-		Image: agate
-		FactionImages:
-			allies: agate
-			england: agate
-			france: agate
-			germany: agate
-			soviet: sgate
-			russia: sgate
-			ukraine: sgate
-
 CYCL:
 	Inherits: ^Wall
 	Tooltip: