staging: r8188eu: remove odm_DynamicTxPowerInit()

Function odm_DynamicTxPowerInit() is empty now, remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210921194658.10654-9-straube.linux@gmail.com


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