Merge pull request #2311 from saturday06/suppress-CS1998-when-no-ktx

com.unity.cloud.ktxが無い場合にasyncメソッドでawaitが無い警告が出るのを抑制

Assets/VRMShaders/GLTF/IO/Runtime/Texture/Importer/KtxTextureDeserializer.cs

@@ -10,7 +10,9 @@ namespace VRMShaders
 {
     public sealed class KtxTextureDeserializer : ITextureDeserializer
     {
+#pragma warning disable 1998
         public async Task<Texture2D> LoadTextureAsync(DeserializingTextureInfo textureInfo, IAwaitCaller awaitCaller)
+#pragma warning restore 1998
         {
 #if USE_COM_UNITY_CLOUD_KTX
             if (textureInfo.ImageData == null) return null;