Simplify object schema info returned from RPC

Only the property names are needed.

lib/objects.js

@@ -24,9 +24,7 @@ function create(realmId, info) {
     object[keys.id] = info.id;
     object[keys.type] = info.type;
 
-    schema.properties.forEach((prop) => {
-        let name = prop.name;
-
+    schema.properties.forEach((name) => {
         Object.defineProperty(object, name, {
             enumerable: true,
             get: util.getterForProperty(name),

src/rpc.cpp

@@ -289,12 +289,10 @@ json RPCServer::serialize_json_value(JSValueRef value) {
 }
 
 json RPCServer::serialize_object_schema(const realm::ObjectSchema &object_schema) {
-    json properties = json::array();
+    std::vector<std::string> properties;
+
     for (realm::Property prop : object_schema.properties) {
-        properties.push_back({
-            {"name", prop.name},
-            {"type", RJSTypeGet(prop.type)},
-        });
+        properties.push_back(prop.name);
     }
 
     return {