apple: Purge existing (not working) GLX_USE_APPLEGL from dated libGL on OSX

Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org>

src/glx/x11/dri_glx.c

@@ -280,8 +280,6 @@ static const __DRIextension *loader_extensions[] = {
    NULL
 };
 
-#ifndef GLX_USE_APPLEGL
-
 /**
  * Perform the required libGL-side initialization and call the client-side
  * driver's \c __driCreateNewScreen function.
@@ -475,17 +473,6 @@ CallCreateNewScreen(Display * dpy, int scrn, __GLXscreenConfigs * psc,
    return NULL;
 }
 
-#else /* !GLX_USE_APPLEGL */
-
-static void *
-CallCreateNewScreen(Display * dpy, int scrn, __GLXscreenConfigs * psc,
-                    __GLXDRIdisplayPrivate * driDpy)
-{
-   return NULL;
-}
-
-#endif /* !GLX_USE_APPLEGL */
-
 static void
 driDestroyContext(__GLXDRIcontext * context,
                   __GLXscreenConfigs * psc, Display * dpy)

src/glx/x11/glxcurrent.c

@@ -475,13 +475,6 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
                IndirectAPI = __glXNewIndirectAPI();
             _glapi_set_dispatch(IndirectAPI);
 
-#ifdef GLX_USE_APPLEGL
-            do {
-               extern void XAppleDRIUseIndirectDispatch(void);
-               XAppleDRIUseIndirectDispatch();
-            } while (0);
-#endif
-
             state = (__GLXattribute *) (gc->client_state_private);
 
             gc->currentContextTag = reply.contextTag;

src/mesa/main/dispatch.c

@@ -37,8 +37,6 @@
  * \author Brian Paul <brian@precisioninsight.com>
  */
 
-#ifndef GLX_USE_APPLEGL
-
 #include "main/glheader.h"
 #include "main/compiler.h"
 #include "glapi/glapi.h"
@@ -92,5 +90,3 @@
 #include "glapi/glapitemp.h"
 
 #endif /* USE_X86_ASM */
-
-#endif /* !GLX_USE_APPLEGL */