usb: gadget: qdss: Don't call TXFIFO reset API

TXFIFO resize functionality with QDSS function driver is not required
now. Hence this change removes calling of dwc3_tx_fifo_resize_request()
API which sets flags to consider TXFIFO resize when QDSS based USB
composition is selected.

Change-Id: Ia27b91bfe900b56dc5efda049e3b7ffafd7b9819
Signed-off-by: Mayank Rana <mrana@codeaurora.org>