flow: Remove dependency on List::MoreUtils perl module

Author: kmurray

run_reg_test.pl

@@ -32,7 +32,6 @@
 use Cwd;
 use File::Spec;
 use List::Util;
-use List::MoreUtils qw(uniq);
 use Scalar::Util;
 
 # Function Prototypes
@@ -446,3 +445,8 @@ ($)
 	$string =~ s/\s+$//;
 	return $string;
 }
+
+sub uniq {
+  my %seen;
+  return grep { !$seen{$_}++ } @_;
+}