Remove obsolete caveat - ntpleafetch is now in shell.

INSTALL

@@ -185,17 +185,6 @@ Here's what it presently does:
 
 Other behaviors may be added in future releases.
 
-== Uninstalled binaries and scripts ==
-
-Due to variations in Perl library paths, our stock source distribution
-makes no attempt to install the Perl script ntpleapfetch.  If you
-installed this software from a binary package prepared by your OS
-distributor, the OS distributor may install them, arranging a
-rendezvous with the Perl implementation's library path.
-
-The utils/ directory contains various other uninstalled programs, some
-of only historical interest. Consult util/README for details.
-
 == Optional Features ==
 
 The waf builder accepts `--enable-FEATURE' options to where FEATURE