Revert "USB: EHCI:  Ensure 10 msec delay between bus states"

This reverts commit bed9ef7215acd8779f423655a4b5a7ff90303353.
Revert "usb: Clear both buffers when clearing a control transfer TT buffer."

This reverts commit 9e914980a5d558f38ba9a0176a4bdea8def9b99b.
Revert "usb: gadget: composite: Fix a bug in delayed status handling"

This reverts commit f3e35e413e18b6f5166bc43ca478d905575b6bb2.