Fix martial art buff stuff

Fixes stuff caused by CleverRaven/Cataclysm-DDA#51950

I'll tinker with weapon categories when  CleverRaven/Cataclysm-DDA#51867 is complete I suppose, tested and weapons added via category aren't visible but mods adding in explicit weapons don't override them.

Arcana/techniques.json

@@ -7,7 +7,7 @@
     "skill_requirements": [ { "name": "bashing", "level": 4 } ],
     "weapon_damage_requirements": [ { "type": "bash", "min": 20 } ],
     "melee_allowed": true,
-    "req_buffs": [ "buff_cleansingflame_onattack" ],
+    "required_buffs_all": [ "buff_cleansingflame_onattack" ],
     "aoe": "wide",
     "crit_tec": true,
     "weighting": 3,
@@ -25,7 +25,7 @@
     "skill_requirements": [ { "name": "cutting", "level": 4 }, { "name": "magic", "level": 5 } ],
     "weapon_damage_requirements": [ { "type": "cut", "min": 20 } ],
     "melee_allowed": true,
-    "req_buffs": [ "buff_cleansingflame_onattack" ],
+    "required_buffs_all": [ "buff_cleansingflame_onattack" ],
     "aoe": "impale",
     "crit_tec": true,
     "weighting": 3,
@@ -39,7 +39,7 @@
     "messages": [ "You channel your momentum into a disarming blow towards %s", "<npcname> delivers a disarming blow to %s" ],
     "skill_requirements": [ { "name": "melee", "level": 5 } ],
     "melee_allowed": true,
-    "req_buffs": [ "buff_cleansingflame_onattack" ],
+    "required_buffs_all": [ "buff_cleansingflame_onattack" ],
     "crit_ok": true,
     "weighting": 3,
     "stun_dur": 1,
@@ -109,7 +109,7 @@
     "melee_allowed": true,
     "unarmed_allowed": true,
     "unarmed_weapons_allowed": false,
-    "req_buffs": [ "buff_shrike_onattack1" ],
+    "required_buffs_all": [ "buff_shrike_onattack1" ],
     "crit_tec": true,
     "stun_dur": 2
   },
@@ -137,7 +137,7 @@
     "melee_allowed": true,
     "unarmed_allowed": true,
     "unarmed_weapons_allowed": false,
-    "req_buffs": [ "buff_shrike_oncrit" ],
+    "required_buffs_all": [ "buff_shrike_oncrit" ],
     "stunned_target": true,
     "crit_ok": true,
     "weighting": 3,