Staging: comedi: proc: title block update

Follow up patch for "STAGING: comedi: style and checkpatch fixes".
Removes the file name in the comment block per suggestions.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/proc.c

 /*
- * module/proc.c
  * /proc interface for comedi
  *
  * COMEDI - Linux Control and Measurement Device Interface