Remove duplicates of DEFAULT_JSON_RPC_APIS (#218)

ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfiguration.java

@@ -13,7 +13,6 @@
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 
@@ -23,8 +22,6 @@ import com.google.common.base.Objects;
 public class JsonRpcConfiguration {
   public static final String DEFAULT_JSON_RPC_HOST = "127.0.0.1";
   public static final int DEFAULT_JSON_RPC_PORT = 8545;
-  public static final Collection<RpcApi> DEFAULT_JSON_RPC_APIS =
-      Arrays.asList(RpcApis.ETH, RpcApis.NET, RpcApis.WEB3);
 
   private boolean enabled;
   private int port;

pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java

@@ -237,7 +237,7 @@ public class PantheonCommandTest extends CommandTestAbstract {
     jsonRpcConfiguration.setHost("5.6.7.8");
     jsonRpcConfiguration.setPort(5678);
     jsonRpcConfiguration.setCorsAllowedDomains(Collections.emptyList());
-    jsonRpcConfiguration.setRpcApis(JsonRpcConfiguration.DEFAULT_JSON_RPC_APIS);
+    jsonRpcConfiguration.setRpcApis(RpcApis.DEFAULT_JSON_RPC_APIS);
     jsonRpcConfiguration.addRpcApi(CliqueRpcApis.CLIQUE);
     jsonRpcConfiguration.addRpcApi(IbftRpcApis.IBFT);