rtlwifi: rtl8192de: Remove usage of private bit manipulation macros

Besides the previously changes macros in trx.h, there are some of these
local macros in the driver. These are replaced with standard bit
manipulations. Unused macros are deleted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>