feat(balance): dial back nerf to skill impact on butchery a bit (#4136)

src/activity_handlers.cpp

@@ -432,7 +432,7 @@ void activity_handlers::burrow_finish( player_activity *act, player *p )
 static bool check_butcher_cbm( const int roll )
 {
     // Success rate for dissection rolls, simple percentage roll
-    // +10% per fine cutting quality, +10% per 2 levels of first aid, +10% per 4 levels of electronics
+    // +10% per fine cutting quality, +10% per 2 levels of first aid and electronics
     // Additional, small randomized bonus/penalty if dexterity is above/below average
     // Roll is reduced by corpse damage level (up to -4), minimum of 10% success chance
     add_msg( m_debug, _( "Roll = %i" ), roll );
@@ -1166,14 +1166,14 @@ void activity_handlers::butcher_finish( player_activity *act, player *p )
         return;
     }
 
-    int skill_level = p->get_skill_level( skill_survival ) / 2;
+    int skill_level = p->get_skill_level( skill_survival );
     int factor = inv.max_quality( action == DISSECT ? qual_CUT_FINE :
                                   qual_BUTCHER );
 
     // DISSECT has special case factor calculation and results.
     if( action == DISSECT ) {
         skill_level = p->get_skill_level( skill_firstaid ) / 2;
-        skill_level += p->get_skill_level( skill_electronics ) / 4;
+        skill_level += p->get_skill_level( skill_electronics ) / 2;
         skill_level += inv.max_quality( qual_CUT_FINE );
         add_msg( m_debug, _( "Skill: %s" ), skill_level );
     }