No longer use default i_ignore() subs in L2/L3/L7 base classes

Info/Layer3.pm

@@ -185,23 +185,6 @@ sub root_ip {
     return;
 }
 
-sub i_ignore {
-    my $l3      = shift;
-    my $partial = shift;
-
-    my $interfaces = $l3->interfaces($partial) || {};
-
-    my %i_ignore;
-    foreach my $if ( keys %$interfaces ) {
-
-        # lo -> cisco aironet 350 loopback
-        if ( $interfaces->{$if} =~ /(tunnel|loopback|\blo\b|null)/i ) {
-            $i_ignore{$if}++;
-        }
-    }
-    return \%i_ignore;
-}
-
 sub serial {
     my $l3 = shift;
 
@@ -544,12 +527,6 @@ name.
 
 Only returns those iids that have a description listed in $l3->i_description()
 
-=item $l3->i_ignore()
-
-Returns reference to hash.  Creates a key for each IID that should be ignored.
-
-Currently looks for tunnel,loopback,lo,null from $l3->interfaces()
-
 =item $l3->i_name()
 
 Returns reference to hash of iid to human set name.