formatting and cleanup

modules/Bio/EnsEMBL/Hive/AnalysisStats.pm

@@ -51,9 +51,9 @@ sub adaptor {
 }
 
 sub refresh {
-  my $self = shift;
-  return unless($self->adaptor);
-  $self->adaptor->refresh($self);
+    my $self = shift;
+
+    return $self->adaptor && $self->adaptor->refresh($self);
 }
 
 sub update {

modules/Bio/EnsEMBL/Hive/Queen.pm

@@ -516,8 +516,6 @@ sub synchronize_AnalysisStats {
   return $analysisStats unless($analysisStats);
   return $analysisStats unless($analysisStats->analysis_id);
 
-  my $analysis_stats_adaptor = $self->db->get_AnalysisStatsAdaptor or return undef;
-
   $analysisStats->refresh(); ## Need to get the new hive_capacity for dynamic analyses
   my $hive_capacity = $analysisStats->hive_capacity;