Revert "usb: u_data_bridge: Fix handling of USB RX requests"

This reverts commit fc705cad ("usb: u_data_bridge: Fix handling
of USB RX requests") as it needs to have different implementation
to handle USB RX requests for better functionality.

Change-Id: Ifaf7a5bf116d73371938c9ed136589bc37597fa9
Signed-off-by: Mayank Rana <mrana@codeaurora.org>