[tools] testbot/orm: Simplify CombineKey() and SplitKey() a bit.

[Francois Gouget]

Signed-off-by: Francois Gouget 
---
 testbot/lib/ObjectModel/Collection.pm | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/testbot/lib/ObjectModel/Collection.pm b/testbot/lib/ObjectModel/Collection.pm
index 63d470bbc..1a48eec35 100644
--- a/testbot/lib/ObjectModel/Collection.pm
+++ b/testbot/lib/ObjectModel/Collection.pm
@@ -462,18 +462,14 @@ sub IsEmpty($)

sub CombineKey($@)
 {
-  my $self = shift;
-
-  my $CombinedKey = join("#@#", @_);
-  return $CombinedKey;
+  my $_self = shift;
+  return join("#@#", @_);
 }

sub SplitKey($$)
 {
-  my ($self, $CombinedKey) = @_;
-
-  my @KeyComponents = split /#@#/, $CombinedKey;
-  return @KeyComponents;
+  my ($_self, $CombinedKey) = @_;
+  return split /#@#/, $CombinedKey;
 }

=pod