staging: r8188eu: remove rtl8188e_silentreset_for_specific_platform()

Function rtl8188e_silentreset_for_specific_platform() is empty.
Remove it and remove code that does nothing other than using the
unwanted DBG_88E macro now.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210930175546.11175-1-straube.linux@gmail.com


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