correct an attack image reference

remove the redundant hide_help keys

data/campaigns/Liberty/units/Bone_Knight.cfg

@@ -75,7 +75,7 @@
     [/attack_anim]
     [attack]
         name=trample
-        icon=blank-attack.png
+        icon=attacks/blank-attack.png
         description=_"trample"
         type=impact
         range=melee

data/campaigns/Liberty/units/Villagers.cfg

@@ -16,10 +16,6 @@
     alignment=neutral
     advanceto=Bandit_Peasant
     description= _ "Peasants live in the small hamlets and villages scattered across the Wesnoth countryside."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
 [/unit_type]
 
 [unit_type]
@@ -31,10 +27,6 @@
     alignment=neutral
     advanceto=Highwayman_Peasant
     description= _ "Each of the villages scattered across the Wesnoth countryside is normally guided by a group of elders, who are the village's wisest and most experienced residents."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
 [/unit_type]
 
 [unit_type]
@@ -47,10 +39,6 @@
     hitpoints=67
     cost=66
     description= _ "The entire village looks to the senior elder for guidance. Strong and wise, the senior elders take responsibility for the community's well-being on their shoulders. Provincial officials tend to choose senior village elders as magistrates so that legal and customary authority will coincide."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
 [/unit_type]
 
 # Another line of advancement runs from Peasant Youth (reskinned Footpad)
@@ -67,10 +55,6 @@
     experience=42
     advanceto=Outlaw_Peasant
     description= _ "The scruffy-haired peasant youth are much like the young people living elsewhere in Wesnoth: reckless, cocky, and eager to explore."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
     [attack]
         # Change first attack (club)
         damage=4	# Down from 5 in your basic Footpad
@@ -91,10 +75,6 @@
     advanceto=Fugitive_Peasant
     cost=40
     description= _ "The watchmen are men and women who protect the villages from marauders, both human and otherwise, that prowl the Wesnoth countryside at night."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
     [female]
         name= _ "female^Watchwoman"
     [/female]
@@ -110,10 +90,6 @@
     hitpoints=61
     cost=80
     description= _ "Each village has a group of highly capable fighters dedicated to fending off orc raids. Some of these join the Wesnoth army, while others join the core of the village's patrol."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
     [female]
         name= _ "female^Borderer"
     [/female]
@@ -133,10 +109,6 @@
     alignment=neutral
     advanceto=Trapper_Peasant
     description= _ "Villages, especially in wilder areas near frontiers, rely on hunters to bring in much of their food supply. Their stealth and intimate knowledge of local terrain can be valuable assets in combat."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
 [/unit_type]
 
 [unit_type]
@@ -150,10 +122,6 @@
     cost=26
     advanceto=Huntsman_Peasant,Ranger
     description= _ "Trappers are skilled hunters who supply food and furs for several villages. Their hunting experience makes them most valuable at night and in forests and swamps."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
 [/unit_type]
 
 [unit_type]
@@ -166,10 +134,6 @@
     hitpoints=55
     cost=52
     description= _ "Huntsmen have spent their lives in the backwoods and swamps of their wilderness homes. They can bullseye wamprats and track anything that moves in their territory."
-#ifdef CAMPAIGN_LIBERTY
-#else
-    hide_help=true
-#endif
     [movement_costs]
         shallow_water=2
         swamp_water=1