chibios: usb_main: remove OTG sof workaround

With the update of ChibiOS and ChibiOS-Contrib containing fixes for the
OTGv1 LLD the workaround is not necessarry anymore.

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>

tmk_core/protocol/chibios/usb_main.c

@@ -325,18 +325,10 @@ static bool usb_requests_hook_cb(USBDriver *usbp) {
     return false;
 }
 
-static __attribute__((unused)) void dummy_cb(USBDriver *usbp) {
-    (void)usbp;
-}
-
 static const USBConfig usbcfg = {
     usb_event_cb,          /* USB events callback */
     usb_get_descriptor_cb, /* Device GET_DESCRIPTOR request callback */
     usb_requests_hook_cb,  /* Requests hook callback */
-#if STM32_USB_USE_OTG1 == TRUE || STM32_USB_USE_OTG2 == TRUE
-    dummy_cb, /* Workaround for OTG Peripherals not servicing new interrupts
-    after resuming from suspend. */
-#endif
 };
 
 void init_usb_driver(USBDriver *usbp) {