staging: r8188eu: remove ODM_CheckPowerStatus()

The function ODM_CheckPowerStatus() returns always true. Checking its
return value is not necessary. Remove the function and related code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210925074013.14693-1-straube.linux@gmail.com


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