eth: use maxpeers from p2p layer instead of extra config

eth/handler_test.go

@@ -476,11 +476,11 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool
 		genesis       = gspec.MustCommit(db)
 		blockchain, _ = core.NewBlockChain(db, config, pow, vm.Config{})
 	)
-	pm, err := NewProtocolManager(config, downloader.FullSync, DefaultConfig.NetworkId, 1000, evmux, new(testTxPool), pow, blockchain, db)
+	pm, err := NewProtocolManager(config, downloader.FullSync, DefaultConfig.NetworkId, evmux, new(testTxPool), pow, blockchain, db)
 	if err != nil {
 		t.Fatalf("failed to start test protocol manager: %v", err)
 	}
-	pm.Start()
+	pm.Start(1000)
 	defer pm.Stop()
 
 	// Connect a new peer and check that we receive the DAO challenge