Revert "fix cbs"

This reverts commit 4758cd65e5fc923d1970fd17fc0dd4e5e8af7604.

usb_uart.c

@@ -48,9 +48,7 @@ static const CdcCallbacks cdc_cb = {
     .rx_ep_callback = &vcp_on_cdc_rx,
     .state_callback = &vcp_state_callback,
     .ctrl_line_callback = &vcp_on_cdc_control_line,
-    .config_callback = &vcp_on_line_config,
-    .break_callback = NULL,
-};
+    .config_callback = &vcp_on_line_config};
 
 static void usb_uart_vcp_init(UsbUart* usb_uart, uint8_t vcp_ch) {
     furi_hal_usb_unlock();