Revert "usb: gadget: udc: core: Prevent redundant calls to pullup"

This reverts commit a3afbf5c.

This depends on commit 0db213ea ("usb: gadget: udc: core: Invoke
usb_gadget_connect only when started") that introduces a regression,
revert it till the issue is fixed.

Cc: stable@vger.kernel.org
Reported-by: Stephan Gerhold <stephan@gerhold.net>
Reported-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/all/ZF4BvgsOyoKxdPFF@francesco-nb.int.toradex.com/Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230512131435.205464-2-francesco@dolcini.itSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/core.c

@@ -703,9 +703,6 @@ static int usb_gadget_connect_locked(struct usb_gadget *gadget)
 		goto out;
 	}
 
-	if (gadget->connected)
-		goto out;
-
 	if (gadget->deactivated || !gadget->udc->started) {
 		/*
 		 * If gadget is deactivated we only save new state.