Remove all traces of the AncientSnmpit feature.

Now it only remains in the collective memory of Leigh and I.
That will keep it alive for another 5 minutes or so...

tbsetup/portstats.in

@@ -38,10 +38,7 @@ if ($UID) {
 # Lets not bother (or worry) people.
 $EmulabFeatures::verbose = 0;
 
-if (EmulabFeatures->FeatureEnabled("AncientSnmpit",
-				   $this_user, undef, undef) ||
-    EmulabFeatures->FeatureEnabled("OldSnmpit",
-				   $this_user, undef, undef)) {
+if (EmulabFeatures->FeatureEnabled("OldSnmpit", $this_user, undef, undef)) {
     my $newpath = "$TB/lib/snmpit_old/portstats";
     print STDERR "Invoking alternate portstats from $newpath\n";
     exec $newpath, @ARGV;

tbsetup/snmpit.in

@@ -38,15 +38,6 @@ if ($UID) {
 # Lets not bother (or worry) people.
 $EmulabFeatures::verbose = 0;
 
-if (EmulabFeatures->FeatureEnabled("AncientSnmpit",
-				   $this_user, undef, undef)) {
-    my $newpath = "$TB/bin/snmpit_ancient";
-    print STDERR "Invoking alternate snmpit from $newpath\n";
-    exec $newpath, @ARGV;
-    die("*** $0:\n".
-	"    Could not exec $newpath: $!");
-}
-
 if (EmulabFeatures->FeatureEnabled("OldSnmpit", $this_user, undef, undef)) {
     my $newpath = "$TB/bin/snmpit_old";
     print STDERR "Invoking alternate snmpit from $newpath\n";