tweak learning time since now leaning is not count as all the time yo…

…u spend butchering

data/json/proficiencies/butchering.json

@@ -6,7 +6,7 @@
     "name": { "str": "Principles of Butchering" },
     "description": "You know how to pick up most of the meat from the animal body.",
     "can_learn": true,
-    "time_to_learn": "4 h"
+    "time_to_learn": "2 h"
   },
   {
     "type": "proficiency",
@@ -15,7 +15,7 @@
     "name": { "str": "Butchering Expert" },
     "description": "There is very little meat left after your skillful knife movements.",
     "can_learn": true,
-    "time_to_learn": "40 h",
+    "time_to_learn": "25 h",
     "required_proficiencies": [ "prof_butchering_basic" ]
   },
   {
@@ -25,7 +25,7 @@
     "name": { "str": "Principles of Skinning" },
     "description": "You stopped making holes in the skin of animals you butcher.",
     "can_learn": true,
-    "time_to_learn": "4 h"
+    "time_to_learn": "2 h"
   },
   {
     "type": "proficiency",
@@ -34,7 +34,7 @@
     "name": { "str": "Skinning Expert" },
     "description": "You really know how to skin the animal.",
     "can_learn": true,
-    "time_to_learn": "40 h",
+    "time_to_learn": "25 h",
     "required_proficiencies": [ "prof_skinning_basic" ]
   }
 ]