Simplify getServerInfo response

src/api/server/server.js

@@ -23,11 +23,11 @@ function isConnected() {
 }
 
 function getServerInfo(callback) {
-  this.remote.requestServerInfo((error, info) => {
+  this.remote.requestServerInfo((error, response) => {
     if (error) {
       callback(new common.errors.RippledNetworkError(error.message));
     } else {
-      callback(null, info);
+      callback(null, response.info);
     }
   });
 }

test/fixtures/api/responses/get-server-info.json

@@ -1,5 +1,4 @@
 {
-  "info": {
   "build_version": "0.24.0-rc1",
   "complete_ledgers": "32570-6595042",
   "hostid": "ARTS",
@@ -20,5 +19,4 @@
     "seq": 6595042
   },
   "validation_quorum": 3
-  }
 }