platform/x86: thinkpad-acpi: Do not include <linux/fb.h>

Nothing in this source file requires <linux/fb.h>. Remove the include
statement.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250131095235.125533-3-tzimmermann@suse.de


Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>