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.

automake/host.am

@@ -1,5 +1,3 @@
-## $Id$
-
 ## NOTE: This is a temporary work-around to keep 
 ## RTEMS's non automake standard make targets working.
 ## Once automake is fully integrated these make targets 

automake/local.am

@@ -1,5 +1,3 @@
-## $Id$
-
 preinstall-am: $(PREINSTALL_FILES)
 preinstall: preinstall-am
 .PHONY: preinstall preinstall-am

automake/subdirs.am

@@ -1,5 +1,3 @@
-## $Id$
-
 ## Borrowed from automake-1.4 and adapted to RTEMS 
 
 ## NOTE: This is a temporary work-around to keep