serial: men_z135_uart: drop unneeded MODULE_ALIAS

Since commit 1f4ea48 ("mcb: Add missing modpost build support")
the MODULE_ALIAS() is redundant as the module alias is now
automatically generated from the MODULE_DEVICE_TABLE().

Remove the explicit alias.

No functional change intended.

Reviewed-by: Jorge Sanjuan Garcia <dev-jorge.sanjuangarcia@duagon.com>
Signed-off-by: Jose Javier Rodriguez Barbarin <dev-josejavier.rodriguez@duagon.com>
Link: https://patch.msgid.link/20260108134110.25278-2-dev-josejavier.rodriguez@duagon.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Jose Javier Rodriguez Barbarin

drivers/tty/serial/men_z135_uart.c

@@ -919,5 +919,4 @@ module_exit(men_z135_exit);
 MODULE_AUTHOR("Johannes Thumshirn <johannes.thumshirn@men.de>");
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("MEN 16z135 High Speed UART");
-MODULE_ALIAS("mcb:16z135");
 MODULE_IMPORT_NS("MCB");