tty: vt: remove reference to undefined NO_VC_UNI_SCREEN

NO_VC_UNI_SCREEN is defined nowhere. Remove the last reference to it.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230112080136.4929-3-jirislaby@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/vt/vt.c

@@ -495,9 +495,6 @@ int vc_uniscr_check(struct vc_data *vc)
 	unsigned short *p;
 	int x, y, mask;
 
-	if (__is_defined(NO_VC_UNI_SCREEN))
-		return -EOPNOTSUPP;
-
 	WARN_CONSOLE_UNLOCKED();
 
 	if (!vc->vc_utf)