Revert "Implement EGL API for MESA_query_driver"

This reverts commit ff621a5055.

with default warnings configuration, this commit generates:

   ../src/egl/main/eglapi.c:2654:1: error: no previous prototype for
            ‘eglGetDisplayDriverConfig’ [-Werror=missing-prototypes]

src/egl/main/eglapi.c

@@ -528,7 +528,6 @@ _eglCreateExtensionsString(_EGLDisplay *dpy)
       _eglAppendExtension(&exts, "EGL_MESA_configless_context");
    _EGL_CHECK_EXTENSION(MESA_drm_image);
    _EGL_CHECK_EXTENSION(MESA_image_dma_buf_export);
-   _EGL_CHECK_EXTENSION(MESA_query_driver);
 
    _EGL_CHECK_EXTENSION(NOK_swap_region);
    _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
@@ -2650,38 +2649,6 @@ eglQueryDisplayAttribEXT(EGLDisplay dpy,
    RETURN_EGL_SUCCESS(disp, EGL_TRUE);
 }
 
-char * EGLAPIENTRY
-eglGetDisplayDriverConfig(EGLDisplay dpy)
-{
-    _EGLDisplay *disp = _eglLockDisplay(dpy);
-    _EGLDriver *drv;
-    char *ret;
-
-    _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
-    _EGL_CHECK_DISPLAY(disp, NULL, drv);
-
-    assert(disp->Extensions.MESA_query_driver);
-
-    ret = drv->API.QueryDriverConfig(disp);
-    RETURN_EGL_EVAL(disp, ret);
-}
-
-const char * EGLAPIENTRY
-eglGetDisplayDriverName(EGLDisplay dpy)
-{
-    _EGLDisplay *disp = _eglLockDisplay(dpy);
-    _EGLDriver *drv;
-    const char *ret;
-
-    _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
-    _EGL_CHECK_DISPLAY(disp, NULL, drv);
-
-    assert(disp->Extensions.MESA_query_driver);
-
-    ret = drv->API.QueryDriverName(disp);
-    RETURN_EGL_EVAL(disp, ret);
-}
-
 __eglMustCastToProperFunctionPointerType EGLAPIENTRY
 eglGetProcAddress(const char *procname)
 {

src/egl/main/eglapi.h

@@ -55,8 +55,6 @@ struct _egl_api
    /* driver funcs */
    EGLBoolean (*Initialize)(_EGLDriver *, _EGLDisplay *dpy);
    EGLBoolean (*Terminate)(_EGLDriver *, _EGLDisplay *dpy);
-   const char *(*QueryDriverName)(_EGLDisplay *dpy);
-   char *(*QueryDriverConfig)(_EGLDisplay *dpy);
 
    /* config funcs */
    EGLBoolean (*GetConfigs)(_EGLDriver *drv, _EGLDisplay *dpy,

src/egl/main/egldisplay.h

@@ -138,7 +138,6 @@ struct _egl_extensions
 
    EGLBoolean MESA_drm_image;
    EGLBoolean MESA_image_dma_buf_export;
-   EGLBoolean MESA_query_driver;
 
    EGLBoolean NOK_swap_region;
    EGLBoolean NOK_texture_from_pixmap;

src/egl/main/eglentrypoint.h

@@ -42,8 +42,6 @@ EGL_ENTRYPOINT(eglGetCurrentContext)
 EGL_ENTRYPOINT(eglGetCurrentDisplay)
 EGL_ENTRYPOINT(eglGetCurrentSurface)
 EGL_ENTRYPOINT(eglGetDisplay)
-EGL_ENTRYPOINT(eglGetDisplayDriverConfig)
-EGL_ENTRYPOINT(eglGetDisplayDriverName)
 EGL_ENTRYPOINT(eglGetError)
 EGL_ENTRYPOINT(eglGetPlatformDisplay)
 EGL_ENTRYPOINT(eglGetPlatformDisplayEXT)