C#: Remove unneeded vscode settings from settings.json

Author: tamasvajk

csharp/.vscode/settings.json

@@ -2,12 +2,10 @@
     "dotnet-test-explorer.enableTelemetry": false,
     "dotnet-test-explorer.testProjectPath": "**/*Tests.@(csproj|vbproj|fsproj)",
     "dotnet-test-explorer.testArguments": "/property:GenerateTargetFrameworkAttribute=false",
-    "csharp.supressBuildAssetsNotification": true,
     "csharp.suppressDotnetRestoreNotification": true,
     "[csharp]": {
         "editor.defaultFormatter": "ms-dotnettools.csharp"
     },
-    "omnisharp.enableMsBuildLoadProjectsOnDemand": true,
     "omnisharp.enableEditorConfigSupport": true,
-    "omnisharp.enableRoslynAnalyzers": true,
+    "omnisharp.enableRoslynAnalyzers": true
 }