Fixed Full Blast delay on attack and using items (#3838)

src/map/skill.cpp

@@ -3439,10 +3439,6 @@ int64 skill_attack (int attack_type, struct block_list* src, struct block_list *
 					sc_start(src,src,SC_SMA,100,skill_lv,skill_get_time(SL_SMA, skill_lv));
 			}
 			break;
-		case GS_FULLBUSTER:
-			if (sd) //Can't attack nor use items until skill's delay expires. [Skotlex]
-				sd->ud.attackabletime = sd->canuseitem_tick = sd->ud.canact_tick;
-			break;
 	}
 
 	//combo handling