staging: rtl8188eu: Remove function rtw_enqueue_recvbuf_to_head()

rtw_enqueue_recvbuf_to_head() is not being used by driver.

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_recv.c
Simple merge

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