Removed obsolete.

Author: electricessence

Open.Disposable.csproj

@@ -42,11 +42,4 @@
 		<PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
 	</ItemGroup>
 
-	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0">
-			<PrivateAssets>all</PrivateAssets>
-			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-		</PackageReference>
-	</ItemGroup>
-
 </Project>