Core/Misc: Remove a define that is no longer needed since ACE was removed

src/server/game/Movement/Spline/MovementTypedefs.h

@@ -23,14 +23,12 @@
 
 namespace G3D
 {
-    class Vector2;
     class Vector3;
     class Vector4;
 }
 
 namespace Movement
 {
-    using G3D::Vector2;
     using G3D::Vector3;
     using G3D::Vector4;
 

src/server/shared/Utilities/ServiceWin32.cpp

@@ -24,11 +24,6 @@
 #include <windows.h>
 #include <winsvc.h>
 
-// stupid ACE define
-#ifdef main
-#undef main
-#endif //main
-
 #if !defined(WINADVAPI)
 #if !defined(_ADVAPI32_)
 #define WINADVAPI DECLSPEC_IMPORT

src/tools/mmaps_generator/MapBuilder.h

@@ -35,8 +35,6 @@
 
 using namespace VMAP;
 
-// G3D namespace typedefs conflicts with ACE typedefs
-
 namespace MMAP
 {
     struct MapTiles