Respond to PR feedback.

src/api.js

@@ -5,7 +5,6 @@ const API_V2 = `${API_ROOT}v2/`;
 const API_CONFIG = `${API_V2}config/`;
 const API_ORGANIZATIONS = `${API_V2}organizations/`;
 const API_INSTANCE_GROUPS = `${API_V2}instance_groups/`;
-const API_USERS = `${API_V2}users/`;
 
 const LOGIN_CONTENT_TYPE = 'application/x-www-form-urlencoded';
 
@@ -130,12 +129,6 @@ class APIClient {
   disassociateInstanceGroup (url, id) {
     return this.http.post(url, { id, disassociate: true });
   }
-
-  getUserRoles (id) {
-    const endpoint = `${API_USERS}${id}/roles/`;
-
-    return this.http.get(endpoint);
-  }
 }
 
 export default APIClient;