Remove nullability attributes

Author: Patonymous

src/Tools/LeanCode.CodeAnalysis/Analyzers/EnsureCommandValidatorsFollowNamingConvention.cs

@@ -39,7 +39,7 @@ private static void AnalyzeSymbol(SyntaxNodeAnalysisContext context)
 
         if (TryGetCommandValidator(type, out var commandValidator))
         {
-            var expectedName = GetCommandValidatorExpectedName(commandValidator);
+            var expectedName = GetCommandValidatorExpectedName(commandValidator!);
 
             if (type.Name != expectedName)
             {
@@ -61,10 +61,7 @@ internal static string GetCommandValidatorExpectedName(INamedTypeSymbol commandV
         );
     }
 
-    private static bool TryGetCommandValidator(
-        INamedTypeSymbol type,
-        [NotNullWhen(true)] out INamedTypeSymbol? commandValidator
-    )
+    private static bool TryGetCommandValidator(INamedTypeSymbol type, out INamedTypeSymbol? commandValidator)
     {
         var validator = GetImplementedValidator(type);
 

src/Tools/LeanCode.CodeAnalysis/Analyzers/SuggestCommandsHaveValidators.cs

@@ -45,14 +45,14 @@ private static void AnalyzeSymbol(SyntaxNodeAnalysisContext context)
 
         var tree = type.DeclaringSyntaxReferences.First().SyntaxTree;
 
-        if (!CommandIsValidated(commandType, tree, context.SemanticModel))
+        if (!CommandIsValidated(commandType!, tree, context.SemanticModel))
         {
-            var diagnostic = Diagnostic.Create(Rule, type.Locations[0], commandType.Name);
+            var diagnostic = Diagnostic.Create(Rule, type.Locations[0], commandType!.Name);
             context.ReportDiagnostic(diagnostic);
         }
     }
 
-    private static bool IsCommandHandler(INamedTypeSymbol type, [NotNullWhen(true)] out INamedTypeSymbol? commandType)
+    private static bool IsCommandHandler(INamedTypeSymbol type, out INamedTypeSymbol? commandType)
     {
         var handler = type.AllInterfaces.FirstOrDefault(i => i.GetFullNamespaceName() == HandlerTypeName);