staging: rtl8188eu: Remove file rtw_br_ext.h

driver doesn't need rtw_br_ext.h any more.

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8188eu/core/rtw_cmd.c
Simple merge

diff --cc drivers/staging/rtl8188eu/include/drv_types.h
Simple merge

diff --cc drivers/staging/rtl8188eu/include/rtw_br_ext.h
Simple merge

diff --cc drivers/staging/rtl8188eu/os_dep/os_intfs.c
Simple merge