Removed the TODO-s about marshalling char and bool because those are not bugs.

See https://msdn.microsoft.com/en-us/library/ef4c3t39.aspx and https://msdn.microsoft.com/en-us/library/75dwhxf7.aspx .

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

src/Generator/Generators/CSharp/CSharpMarshal.cs

@@ -208,14 +208,14 @@ namespace CppSharp.Generators.CSharp
                 case PrimitiveType.Void:
                     return true;
                 case PrimitiveType.Char:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and char isn't
                     if (Context.Driver.Options.MarshalCharAsManagedChar)
                         Context.Return.Write("(char) ");
                     goto default;
                 case PrimitiveType.Char16:
                     return false;
                 case PrimitiveType.Bool:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and bool isn't
                     Context.Return.Write("{0} != 0", Context.ReturnVarName);
                     return true;
                 default:
@@ -538,14 +538,14 @@ namespace CppSharp.Generators.CSharp
                 case PrimitiveType.Void:
                     return true;
                 case PrimitiveType.Char:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and char isn't
                     if (Context.Driver.Options.MarshalCharAsManagedChar)
                         Context.Return.Write("(sbyte) ");
                     goto default;
                 case PrimitiveType.Char16:
                     return false;
                 case PrimitiveType.Bool:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and bool isn't
                     Context.Return.Write("(byte) ({0} ? 1 : 0)", Context.Parameter.Name);
                     return true;
                 default:

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -2480,7 +2480,7 @@ namespace CppSharp.Generators.CSharp
                     && !string.IsNullOrWhiteSpace(param.Context.ArgumentPrefix))
                     name.Append(param.Context.ArgumentPrefix);
 
-                // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                // returned structs must be blittable and bool isn't
                 if ((param.Param.Type.GetFinalPointee() ?? param.Param.Type).IsPrimitiveType(PrimitiveType.Bool))
                 {
                     var typePrinter = new CSharpTypePrinter(Driver);
@@ -2664,7 +2664,7 @@ namespace CppSharp.Generators.CSharp
             Function function = null)
         {
             PrimitiveType primitive;
-            // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+            // returned structs must be blittable and bool and char aren't
             if (param.Type.IsPrimitiveType(out primitive) &&
                 primitive != PrimitiveType.Char && primitive != PrimitiveType.Bool)
             {

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -480,13 +480,13 @@ namespace CppSharp.Generators.CSharp
             switch (primitive)
             {
                 case PrimitiveType.Bool:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and bool isn't
                     return ContextKind == CSharpTypePrinterContextKind.Native ? "byte" : "bool";
                 case PrimitiveType.Void: return "void";
                 case PrimitiveType.Char16:
                 case PrimitiveType.WideChar: return "char";
                 case PrimitiveType.Char:
-                    // TODO: work around https://github.com/dotnet/coreclr/issues/1485
+                    // returned structs must be blittable and char isn't
                     return driver.Options.MarshalCharAsManagedChar &&
                         ContextKind != CSharpTypePrinterContextKind.Native
                         ? "char"