disable broken analyzer

error AD0001: Analyzer 'SonarAnalyzer.CSharp.Rules.VariableShadowsField' threw an exception of type 'System.NullReferenceException' with message 'Object reference not set to an instance of an object.'

Author: mus65

Directory.Build.props

@@ -51,6 +51,5 @@
   <ItemGroup>
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="all" />
     <PackageReference Include="Meziantou.Analyzer" PrivateAssets="all" />
-    <PackageReference Include="SonarAnalyzer.CSharp" PrivateAssets="all" />
   </ItemGroup>
 </Project>