hide contracts from dashboard when silent

lib/contracts/contracts.js

@@ -400,6 +400,9 @@ class ContractsManager {
 
     for (let className in this.contracts) {
       let contract = this.contracts[className];
+      if (contract.silent) {
+        continue;
+      }
 
       let contractData;
 

lib/modules/ens/index.js

@@ -210,7 +210,13 @@ class ENS {
   configureContracts() {
     const config = {
       "default": {
-        "gas": "auto"
+        "gas": "auto",
+        "contracts": {
+          "ENS": {
+            "deploy": false,
+            "silent": true
+          }
+        }
       },
       "development": {
         "contracts": {