remove code

Author: JusterZhu

src/c#/GeneralUpdate.Core/Configuration/OssProvider.cs

@@ -277,16 +277,6 @@ public void PlatformType_AllFour()
             Assert.Contains(PlatformType.Unknown, values);
         }
 
-        [Fact]
-        public void OssProvider_AllFour()
-        {
-            var values = Enum.GetValues<OssProvider>();
-            Assert.Contains(OssProvider.AliYun, values);
-            Assert.Contains(OssProvider.AWS, values);
-            Assert.Contains(OssProvider.MinIO, values);
-            Assert.Contains(OssProvider.Tencent, values);
-        }
-
         [Fact]
         public void DownloadStatus_FiveValues()
         {