fix(hero): 调整移动系统y轴位置偏移值

将LINE2和LINE3的偏移量从15调整为30，并移除LINE4的配置，使英雄移动路径更符合设计需求

assets/script/game/hero/MoveComp.ts

@@ -38,9 +38,9 @@ interface MoveFacConfig {
 export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
     private readonly ySlots = [
         { offset: 0, lineName: "LINE1" },
-        { offset: 15, lineName: "LINE2" },
-        { offset: -15, lineName: "LINE3" },
-        { offset: 30, lineName: "LINE4" },
+        { offset: 30, lineName: "LINE2" },
+        { offset: -30, lineName: "LINE3" },
+        // { offset: 30, lineName: "LINE4" },
     ];
     private readonly samePointXThreshold = 12;
     private readonly samePointYThreshold = 3;