Remove : 빈 LEDScreenShader asmdef 제거

LEDScreenShader는 셰이더 전용 패키지(.cs 0개)인데 벤더가 스크립트 없는 asmdef 동봉 → 'Assembly will not be compiled, no scripts' 경고. 참조 없음 확인 후 asmdef+meta 삭제(셰이더/머티리얼은 asmdef 불필요).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Assets/External/LEDScreenShader/LEDScreenShader.asmdef

@@ -1,14 +0,0 @@
-{
-    "name": "LEDScreenShader",
-    "rootNamespace": "",
-    "references": [],
-    "includePlatforms": [],
-    "excludePlatforms": [],
-    "allowUnsafeCode": false,
-    "overrideReferences": false,
-    "precompiledReferences": [],
-    "autoReferenced": true,
-    "defineConstraints": [],
-    "versionDefines": [],
-    "noEngineReferences": false
-}

Assets/External/LEDScreenShader/LEDScreenShader.asmdef.meta

@@ -1,14 +0,0 @@
-fileFormatVersion: 2
-guid: 287b3c7e0c2b25442831694daf39191b
-AssemblyDefinitionImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
-AssetOrigin:
-  serializedVersion: 1
-  productId: 229091
-  packageName: LED Screen Shader
-  packageVersion: 1.1.0
-  assetPath: Assets/LEDScreenShader/LEDScreenShader.asmdef
-  uploadId: 540223