drm/xe/display: drop duplicate display->fb_tracking.lock init

The spinlock is initialized in intel_display_driver_early_probe(). Drop
the extra init.

Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/f895a8a43c61a6e60db8e1eb698919ce0faab27c.1747397638.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/xe/display/xe_display.c

@@ -109,8 +109,6 @@ int xe_display_create(struct xe_device *xe)
 
 	xe->display = &xe->__display;
 
-	spin_lock_init(&display->fb_tracking.lock);
-
 	display->hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
 	if (!display->hotplug.dp_wq)
 		return -ENOMEM;