egl: remove remnants of MESA_drm_display

Last set in st/egl, unused in mesa-demos and superseded by
EGL_KHR_platform_gbm.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
diff --git a/include/EGL/eglmesaext.h b/include/EGL/eglmesaext.h
index 917a204..337dd2c 100644
--- a/include/EGL/eglmesaext.h
+++ b/include/EGL/eglmesaext.h
@@ -34,17 +34,6 @@
 
 #include <EGL/eglplatform.h>
 
-#ifndef EGL_MESA_drm_display
-#define EGL_MESA_drm_display 1
-
-#ifdef EGL_EGLEXT_PROTOTYPES
-EGLAPI EGLDisplay EGLAPIENTRY eglGetDRMDisplayMESA(int fd);
-#endif /* EGL_EGLEXT_PROTOTYPES */
-
-typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETDRMDISPLAYMESA) (int fd);
-
-#endif /* EGL_MESA_drm_display */
-
 #ifdef EGL_MESA_drm_image
 /* Mesa's extension to EGL_MESA_drm_image... */
 #ifndef EGL_DRM_BUFFER_USE_CURSOR_MESA
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 031cf75..dd145a1 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -408,7 +408,6 @@
    _EGL_CHECK_EXTENSION(KHR_wait_sync);
 
    _EGL_CHECK_EXTENSION(MESA_configless_context);
-   _EGL_CHECK_EXTENSION(MESA_drm_display);
    _EGL_CHECK_EXTENSION(MESA_drm_image);
    _EGL_CHECK_EXTENSION(MESA_image_dma_buf_export);
 
@@ -1197,13 +1196,6 @@
 }
 
 
-static EGLDisplay EGLAPIENTRY
-eglGetDRMDisplayMESA(int fd)
-{
-   _EGLDisplay *dpy = _eglFindDisplay(_EGL_PLATFORM_DRM, (void *) (intptr_t) fd);
-   return _eglGetDisplayHandle(dpy);
-}
-
 /**
  ** EGL 1.2
  **/
@@ -1857,7 +1849,6 @@
       { "eglGetPlatformDisplay", (_EGLProc) eglGetPlatformDisplay },
       { "eglCreatePlatformWindowSurface", (_EGLProc) eglCreatePlatformWindowSurface },
       { "eglCreatePlatformPixmapSurface", (_EGLProc) eglCreatePlatformPixmapSurface },
-      { "eglGetDRMDisplayMESA", (_EGLProc) eglGetDRMDisplayMESA },
       { "eglCreateImageKHR", (_EGLProc) eglCreateImageKHR },
       { "eglDestroyImageKHR", (_EGLProc) eglDestroyImage },
       { "eglCreateSyncKHR", (_EGLProc) eglCreateSyncKHR },
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index bca9122..cec6d59 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -115,7 +115,6 @@
    EGLBoolean KHR_wait_sync;
 
    EGLBoolean MESA_configless_context;
-   EGLBoolean MESA_drm_display;
    EGLBoolean MESA_drm_image;
    EGLBoolean MESA_image_dma_buf_export;