Remove All CVS Id Strings Possible Using a Script

Script does what is expected and tries to do it as
smartly as possible.

+ remove occurrences of two blank comment lines
  next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
  contain CVS Ids
+ If the processing left a blank line at the top of
  a file, it was removed.

c/src/lib/libcpu/mips/timer/gettime.S

@@ -16,8 +16,6 @@
  *      software without specific, written prior permission.
  *      Transition Networks makes no representations about the suitability
  *      of this software for any purpose.
- *
- *  $Id$
  */
 
 /* @(#)gettime.S       08/20/96     1.2 */