staging: rtl8192e: Remove unused constants at beginning of r8192E_hw.h

Remove unused constants at beginning of r8192E_hw.h. A part of the
constants would need to be renamed because of CamelCase on others spaces
are missing before and after "<<".

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/d01232f5ef10eac02abb3f31f2ac6f53614fa954.1675003608.git.philipp.g.hortmann@gmail.com


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