refactor : replace meshColider to boxColider

Assets/Level/Prefabs/World/Celings/Celing_30x30.prefab

@@ -13,7 +13,7 @@ GameObject:
   - component: {fileID: 5154588589658625139}
   - component: {fileID: 6925646541367125210}
   - component: {fileID: 8298116807779309215}
-  - component: {fileID: 9137395966743071055}
+  - component: {fileID: 8583753763696649175}
   m_Layer: 0
   m_Name: Celing_30x30
   m_TagString: Untagged
@@ -334,8 +334,8 @@ MeshFilter:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 9049410798787086989}
   m_Mesh: {fileID: 0}
---- !u!64 &9137395966743071055
-MeshCollider:
+--- !u!65 &8583753763696649175
+BoxCollider:
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
@@ -352,7 +352,6 @@ MeshCollider:
   m_IsTrigger: 0
   m_ProvidesContacts: 0
   m_Enabled: 1
-  serializedVersion: 5
-  m_Convex: 0
-  m_CookingOptions: 30
-  m_Mesh: {fileID: 0}
+  serializedVersion: 3
+  m_Size: {x: 30, y: 0.1, z: 30}
+  m_Center: {x: 0, y: 0, z: 0}