drm/xe: remove redundant check in xe_vm_create_ioctl()

The check for args->extensions is repeated twice in xe_vm_create_ioctl().
This commit removes the redundant check to streamline the code.

Fixes: 7224788 ("drm/xe: Kill XE_VM_PROPERTY_BIND_OP_ERROR_CAPTURE_ADDRESS extension")
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Xin Wang <[email protected]>
Reviewed-by: Tejas Upadhyay <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Rodrigo Vivi <[email protected]>

Author: WangX-1

drivers/gpu/drm/xe/xe_vm.c

@@ -2056,9 +2056,6 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data,
 			 args->flags & DRM_XE_VM_CREATE_FLAG_FAULT_MODE))
 		return -EINVAL;
 
-	if (XE_IOCTL_DBG(xe, args->extensions))
-		return -EINVAL;
-
 	if (args->flags & DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE)
 		flags |= XE_VM_FLAG_SCRATCH_PAGE;
 	if (args->flags & DRM_XE_VM_CREATE_FLAG_LR_MODE)