Removed the useless and problematic mapping of typedef-ed classes to empty ones.

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

src/Generator/Generators/CSharp/CSharpSources.cs

@@ -2914,16 +2914,8 @@ namespace CppSharp.Generators.CSharp
             GenerateDeclarationCommon(typedef);
 
             FunctionType functionType;
-            TagType tag;
 
-            if (typedef.Type.IsPointerToPrimitiveType(PrimitiveType.Void)
-                || typedef.Type.IsPointerTo(out tag))
-            {
-                PushBlock(BlockKind.Typedef);
-                WriteLine("public class " + typedef.Name + @" { }");
-                PopBlock(NewLineKind.BeforeNextBlock);
-            }
-            else if (typedef.Type.IsPointerTo(out functionType))
+            if (typedef.Type.IsPointerTo(out functionType))
             {
                 PushBlock(BlockKind.Typedef);
                 var attributedType = typedef.Type.GetPointee() as AttributedType;

tests/Common/Common.Tests.cs

@@ -29,6 +29,7 @@ public class CommonTests : GeneratorTestFixture
             using (var foo = new Foo())
             {
                 Assert.That(overridesNonDirectVirtual.RetInt(foo), Is.EqualTo(3));
+                Assert.That(foo.FooPtr, Is.EqualTo(1));
             }
         }
         using (var derivedFromTemplateInstantiationWithVirtual = new DerivedFromTemplateInstantiationWithVirtual())

tests/Common/Common.cpp

@@ -33,6 +33,11 @@ bool Foo::operator ==(const Foo& other) const
     return A == other.A && B == other.B;
 }
 
+int Foo::fooPtr()
+{
+    return 1;
+}
+
 Foo2::Foo2() {}
 
 Foo2 Foo2::operator<<(signed int i)

tests/Common/Common.h

@@ -65,6 +65,8 @@ public:
     int TakesRef(const Foo& other);
 
     bool operator ==(const Foo& other) const;
+
+    int fooPtr();
 };
 
 // HACK: do not move these to the cpp - C++/CLI is buggy and cannot link static fields initialised in the cpp