dri: delete __DRImesaCoreExtensionRec::createNewScreen

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30400>

src/gallium/frontends/dri/dri2.c

@@ -2383,7 +2383,6 @@ dri_query_compatible_render_only_device_fd(int kms_only_fd)
 static const struct __DRImesaCoreExtensionRec mesaCoreExtension = {
    .base = { __DRI_MESA, 2 },
    .version_string = MESA_INTERFACE_VERSION_STRING,
-   .createNewScreen = driCreateNewScreen2,
    .createContext = driCreateContextAttribs,
    .initScreen = dri2_init_screen,
    .queryCompatibleRenderOnlyDeviceFd = dri_query_compatible_render_only_device_fd,
@@ -2403,7 +2402,6 @@ const __DRIextension *galliumdrm_driver_extensions[] = {
 static const struct __DRImesaCoreExtensionRec swkmsMesaCoreExtension = {
    .base = { __DRI_MESA, 2 },
    .version_string = MESA_INTERFACE_VERSION_STRING,
-   .createNewScreen = driCreateNewScreen2,
    .createContext = driCreateContextAttribs,
    .initScreen = dri_swrast_kms_init_screen,
    .createNewScreen3 = driCreateNewScreen3,

src/gallium/frontends/dri/drisw.c

@@ -650,7 +650,6 @@ const __DRIcopySubBufferExtension driSWCopySubBufferExtension = {
 static const struct __DRImesaCoreExtensionRec mesaCoreExtension = {
    .base = { __DRI_MESA, 2 },
    .version_string = MESA_INTERFACE_VERSION_STRING,
-   .createNewScreen = driCreateNewScreen2,
    .createContext = driCreateContextAttribs,
    .initScreen = drisw_init_screen,
    .createNewScreen3 = driCreateNewScreen3,

src/gallium/frontends/dri/kopper.c

@@ -941,7 +941,6 @@ const __DRIkopperExtension driKopperExtension = {
 static const struct __DRImesaCoreExtensionRec mesaCoreExtension = {
    .base = { __DRI_MESA, 2 },
    .version_string = MESA_INTERFACE_VERSION_STRING,
-   .createNewScreen = driCreateNewScreen2,
    .createContext = driCreateContextAttribs,
    .initScreen = kopper_init_screen,
    .createNewScreen3 = driCreateNewScreen3,

src/gallium/include/mesa_interface.h

@@ -2162,13 +2162,6 @@ struct __DRImesaCoreExtensionRec {
 #define MESA_INTERFACE_VERSION_STRING PACKAGE_VERSION MESA_GIT_SHA1
    const char *version_string;
 
-   /* Screen creation function regardless of DRI2, image, or swrast backend.
-    * (Nothing uses the old __DRI_CORE screen create).
-    *
-    * If not associated with a DRM fd (non-swkms swrast), the fd argument should
-    * be -1.
-    */
-   __DRIcreateNewScreen2Func createNewScreen;
 
    __DRIcreateContextAttribsFunc createContext;
 
@@ -2177,6 +2170,12 @@ struct __DRImesaCoreExtensionRec {
 
    int (*queryCompatibleRenderOnlyDeviceFd)(int kms_only_fd);
 
+   /* Screen creation function regardless of DRI2, image, or swrast backend.
+    * (Nothing uses the old __DRI_CORE screen create).
+    *
+    * If not associated with a DRM fd (non-swkms swrast), the fd argument should
+    * be -1.
+    */
    /* version 2 */
    __DRIcreateNewScreen3Func createNewScreen3;
 };