HttT unit migration, remove Wall Guard and Gate units

data/campaigns/Heir_To_The_Throne.cfg

@@ -22,7 +22,10 @@ path=data/campaigns/Heir_To_The_Throne
 [/binary_path]
 
 #ifdef CAMPAIGN_HEIR_TO_THE_THRONE
-{campaigns/Heir_To_The_Throne/scenarios/bigmap.cfg}
+[+units]
+{campaigns/Heir_To_The_Throne/units}
+[/units]
 {campaigns/Heir_To_The_Throne/scenarios}
+{campaigns/Heir_To_The_Throne/utils}
 #endif
 

data/units/Gate.cfg

@@ -1,28 +0,0 @@
-[unit]
-id=Gate
-name= _ "Gate"
-race=mechanical
-image="terrain/cavewall.png"
-hitpoints=4
-movement_type=none
-	[resistance]
-	blade=0
-	pierce=100
-	[/resistance]
-movement=1
-experience=100
-level=0
-alignment=neutral
-advanceto=null
-{AMLA_TOUGH 3}
-cost=20
-usage=fighter
-unit_description= _ "The door will not open for any who are not allied with it."
-	[attack]
-	name=bump
-	damage=1
-	number=0
-	type=impact
-	range=melee
-	[/attack]
-[/unit]

data/units/Wall_Guard.cfg

@@ -1,75 +0,0 @@
-[unit]
-id=Wall Guard
-name= _ "Wall Guard"
-race=human
-image="human-wallguard.png"
-[defend]
-[frame]
-begin=-150
-end=150
-image="human-wallguard-defense.png"
-[/frame]
-[/defend]
-hitpoints=48
-	[movement_costs]
-	castle=1
-	cavewall=1
-	[/movement_costs]
-	[defense]
-	cavewall=30
-	castle=40
-	[/defense]
-	[resistance]
-	impact=100
-	fire=100
-	cold=100
-	holy=80
-	pierce=100
-	blade=100
-	[/resistance]
-movement=4
-experience=100
-level=2
-alignment=lawful
-advanceto=null
-{AMLA_TOUGH 3}
-undead_variation=archer
-cost=32
-ability=skirmisher,regenerates
-usage=archer
-unit_description= _ "The guardians of the capital city of Weldyn, the Wall Guards patrol the walls of the city, shooting at approaching enemies with their crossbows before their opponent can retaliate even with a ranged attack. Because they are mounted on high walls, they cannot move anywhere except on walls and the roofs of castles."
-get_hit_sound=groan.wav
-	[attack]
-	name=crossbow
-	type=pierce
-	range=ranged
-	hexes=4
-	damage=8
-	number=3
-		[animation]
-		[sound]
-		time=-100
-		sound=firearrow.wav
-		[/sound]
-
-		[sound]
-		time=0
-		sound=arrow-hit.wav
-		sound_miss=arrow-miss.wav
-		[/sound]
-
-		[frame]
-		begin=-200
-		end=100
-		image="human-wallguard-attack.png"
-		[/frame]
-
-		[missile_frame]
-		begin=-100
-		end=0
-		image="projectiles/missile-n.png"
-		image_diagonal="projectiles/missile-ne.png"
-		[/missile_frame]
-		[/animation]
-	[/attack]
-[/unit]