staging: rtl8192e: Remove unused constants from enum rt_customer_id

Remove unused constants from enum rt_customer_id. A part of the constants
would need to be renamed because of CamelCase.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/108d80f0ae1006b716205dce0ca9a7ee597ba1dd.1675003608.git.philipp.g.hortmann@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>