[#59] netmap: Remove unused param from getSelection()

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

netmap/netmap.go

@@ -189,7 +189,7 @@ func (m NetMap) ContainerNodes(p PlacementPolicy, pivot []byte) ([][]NodeInfo, e
 				s.SetCount(p.replicas[i].GetCount())
 				s.SetFilter(mainFilterName)
 
-				nodes, err := c.getSelection(p, s)
+				nodes, err := c.getSelection(s)
 				if err != nil {
 					return nil, err
 				}