HttT: Hide Konrad and Li'sar's SoF-wielding variations in help

Otherwise it's a massive spoiler (not that anyone cares since it's
HttT).

changelog

@@ -6,6 +6,8 @@ Version 1.12.0+dev:
    * Lurkers MAI: bug fix for attempting to attack petrified units
    * Stationed Guardian Micro AI: bug fix for unreachable stations
  * Campaigns:
+   * Heir to the Throne:
+     * Hide unit variations that should not be listed in the help browser.
    * Liberty:
      * Fixed possibility of no viable routes around guards in 'Hide and Seek'.
    * Son of the Black Eye:

data/campaigns/Heir_To_The_Throne/units/Battle_Princess.cfg

@@ -56,6 +56,7 @@
     {WEAPON_SPECIAL_INITIATIVE_EVENTS}
     [variation]
         variation_name=scepter
+        hide_help=yes
         id=Battle Princess
         name= _ "female^Battle Princess"
         race=human

data/campaigns/Heir_To_The_Throne/units/Commander.cfg

@@ -95,6 +95,7 @@
     [variation]
         {HTTT_COMMANDER -scepter}
         variation_name=scepter
+        hide_help=yes
         cost=60
         {LEADING_ANIM "units/konrad-commander-scepter-leading.png" "units/konrad-commander-scepter.png" 17,-22}
         description= _ "The rank of Commander is held by those who lead battle groups into combat. Possessing leadership skills, they give lower-level units in adjacent hexes improved performance in combat. Commanders are best skilled with the sword, although they also carry a bow to use when necessary. If the Commander is lost, so is the battle."+{SPECIAL_NOTES}+{SPECIAL_NOTES_LEADERSHIP}+{SPECIAL_NOTES_MAGICAL}

data/campaigns/Heir_To_The_Throne/units/Fighter.cfg

@@ -52,6 +52,7 @@
     [variation]
         {HTTT_FIGHTER}
         variation_name=scepter
+        hide_help=yes
         cost=38
         description= _ "Young and brash, Fighters attack with a sword, and are vulnerable to more seasoned enemies. However they have the potential to become great warriors one day."+{SPECIAL_NOTES}+{SPECIAL_NOTES_MAGICAL}
         [attack]

data/campaigns/Heir_To_The_Throne/units/Lord.cfg

@@ -108,6 +108,7 @@
     [variation]
         {HTTT_LORD -scepter}
         variation_name=scepter
+        hide_help=yes
         cost=85
         {LEADING_ANIM "units/konrad-lord-scepter-leading.png" "units/konrad-lord-scepter.png" -16,-21}
         description= _ "The noble leaders of many troops, Lords are especially strong in melee combat, and also possess skill with the bow. Like Commanders, Lords possess leadership skills, and improve the fighting ability of all adjacent lower-level units."+{SPECIAL_NOTES}+{SPECIAL_NOTES_LEADERSHIP}+{SPECIAL_NOTES_MAGICAL}

data/campaigns/Heir_To_The_Throne/units/Princess.cfg

@@ -67,6 +67,7 @@
     {WEAPON_SPECIAL_INITIATIVE_EVENTS}
     [variation]
         variation_name=scepter
+        hide_help=yes
         id=Princess
         name= _ "female^Princess"
         race=human

players_changelog

@@ -4,6 +4,8 @@ changelog: https://github.com/wesnoth/wesnoth/blob/1.12/changelog
 
 Version 1.12.0+dev:
  * Campaigns:
+   * Heir to the Throne:
+     * Hide unit variations that should not be listed in the help browser.
    * Liberty:
      * Fixed possibility of no viable routes around guards in 'Hide and Seek'.