usbmon: Remove erroneous __exit

mon_bin_exit() and mon_text_exit() are called from __init code, so don't mark
them as __exit.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h
index 4f949ce..efdfd89 100644
--- a/drivers/usb/mon/usb_mon.h
+++ b/drivers/usb/mon/usb_mon.h
@@ -57,9 +57,9 @@
 // void mon_bin_add(struct mon_bus *);
 
 int __init mon_text_init(void);
-void __exit mon_text_exit(void);
+void mon_text_exit(void);
 int __init mon_bin_init(void);
-void __exit mon_bin_exit(void);
+void mon_bin_exit(void);
 
 /*
  * DMA interface.