Revert "usb: dwc3: gadget: Clear req->needs_extra_trb flag on cleanup"

This reverts commit 25ad17d6,
as we will be cherry-picking a number of changes from upstream
that allows us to later cherry-pick the same fix from upstream
rather than using this modified backported version.

Cc: Fei Yang <fei.yang@intel.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: linux-usb@vger.kernel.org
Cc: stable@vger.kernel.org # 4.19.y
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/usb/dwc3/gadget.c

@@ -177,8 +177,6 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
 	req->started = false;
 	list_del(&req->list);
 	req->remaining = 0;
-	req->unaligned = false;
-	req->zero = false;
 
 	if (req->request.status == -EINPROGRESS)
 		req->request.status = status;