staging: rtl8192e: Remove variable host_encrypt as it is constant

ieee->host_encrypt also named priv->rtllib->host_encrypt is initialized
to 1 and then unchanged. All evaluations will result accordingly. Remove
resulting dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/bc4ea0492306f708f0e5cac6bf0239deb3cd9a80.1687583718.git.philipp.g.hortmann@gmail.com


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