Remove extra handling of wxAppTraits::GetStandardPaths() on OS X.

Since the removal of carbon in 5ba67c67e4 there is no longer any special handling required.

include/wx/apptrait.h

@@ -73,7 +73,6 @@ public:
     virtual wxRendererNative *CreateRenderer() = 0;
 
     // wxStandardPaths object is normally the same for wxBase and wxGUI
-    // except in the case of wxMac and wxCocoa
     virtual wxStandardPaths& GetStandardPaths();
 
 

include/wx/unix/apptrait.h

@@ -58,9 +58,6 @@ public:
     virtual void MutexGuiLeave() wxOVERRIDE;
 #endif
 
-#if defined(__WXMAC__) && wxUSE_STDPATHS
-    virtual wxStandardPaths& GetStandardPaths() wxOVERRIDE;
-#endif
     wxPortId GetToolkitVersion(int *majVer = NULL,
                                int *minVer = NULL,
                                int *microVer = NULL) const wxOVERRIDE;

src/osx/core/utilsexc_cf.cpp

@@ -152,26 +152,6 @@ wxEventLoopSourcesManagerBase* wxGUIAppTraits::GetEventLoopSourcesManager()
 
 /////////////////////////////////////////////////////////////////////////////
 
-// NOTE: This doesn't really belong here but this was a handy file to
-// put it in because it's already compiled for wxCocoa and wxMac GUI lib.
-#if wxUSE_STDPATHS
-wxStandardPaths& wxGUIAppTraits::GetStandardPaths()
-{
-    // Derive a class just to be able to create it: wxStandardPaths ctor is
-    // protected to prevent its misuse, but it also means we can't create an
-    // object of this class directly.
-    class wxStandardPathsDefault : public wxStandardPaths
-    {
-    public:
-        wxStandardPathsDefault() { }
-    };
-
-    static wxStandardPathsDefault gs_stdPaths;
-
-    return gs_stdPaths;
-}
-#endif
-
 #if wxUSE_SOCKETS
 
 // we need to implement this method in a file of the core library as it should