remove unused line in test (#695)

Author: Darioush Jalali

core/genesis_test.go

@@ -132,7 +132,7 @@ func TestSetupGenesis(t *testing.T) {
 
 				blocks, _, _ := GenerateChain(oldcustomg.Config, genesis, dummy.NewFullFaker(), db, 4, 25, nil)
 				bc.InsertChain(blocks)
-				bc.CurrentBlock()
+
 				for _, block := range blocks {
 					if err := bc.Accept(block); err != nil {
 						t.Fatal(err)