Remove unused suppressions

Author: bkoelman

src/JsonApiDotNetCore.Annotations/ArgumentGuard.cs

@@ -3,7 +3,6 @@
 using SysNotNull = System.Diagnostics.CodeAnalysis.NotNullAttribute;
 
 #pragma warning disable AV1008 // Class should not be static
-#pragma warning disable AV1553 // Do not use optional parameters with default value null for strings, collections or tasks
 
 namespace JsonApiDotNetCore;
 

src/JsonApiDotNetCore.Annotations/Controllers/JsonApiEndpoints.shared.cs

@@ -1,8 +1,5 @@
 using JetBrains.Annotations;
 
-// ReSharper disable CheckNamespace
-#pragma warning disable AV1505 // Namespace should match with assembly name
-
 namespace JsonApiDotNetCore.Controllers;
 
 // IMPORTANT: An internal copy of this type exists in the SourceGenerators project. Keep these in sync when making changes.