staging: rtl8192e: Remove unexecuted rtllib_extract_country_ie()

staging: rtl8192e: Remove unexecuted rtllib_extract_country_ie()

Variable "enabled" is initialized to false and never changed. Therefore
IS_DOT11D_ENABLE(ieee) returns always false. Because of this all code in
rtllib_extract_country_ie() is never executed.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/7b88c62d3cc5c3fb670b5448c7381c7c099b3518.1700431464.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>