usb: misc: adutux: Demote obvious misuse of kerneldoc to standard comment blocks

No attempt has been made to document any of the functions here.

Fixes the following W=1 kernel build warning(s):

 drivers/usb/misc/adutux.c:117: warning: Function parameter or member 'dev' not described in 'adu_abort_transfers'
 drivers/usb/misc/adutux.c:653: warning: Function parameter or member 'interface' not described in 'adu_probe'
 drivers/usb/misc/adutux.c:653: warning: Function parameter or member 'id' not described in 'adu_probe'
 drivers/usb/misc/adutux.c:762: warning: Function parameter or member 'interface' not described in 'adu_disconnect'

Cc: Johan Hovold <johan@kernel.org>
Cc: David Glance <davidgsf@sourceforge.net>
Cc: Juergen Stuber <stuber@loria.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-7-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/misc/adutux.c

@@ -109,7 +109,7 @@ static inline void adu_debug_data(struct device *dev, const char *function,
 		function, size, size, data);
 }
 
-/**
+/*
  * adu_abort_transfers
  *      aborts transfers and frees associated data structures
  */
@@ -642,7 +642,7 @@ static struct usb_class_driver adu_class = {
 	.minor_base = ADU_MINOR_BASE,
 };
 
-/**
+/*
  * adu_probe
  *
  * Called by the usb core when a new device is connected that it thinks
@@ -753,7 +753,7 @@ static int adu_probe(struct usb_interface *interface,
 	return retval;
 }
 
-/**
+/*
  * adu_disconnect
  *
  * Called by the usb core when the device is removed from the system.