remove /listEnvironments endpoint

ui/src/api/metadata.js

@@ -2,12 +2,6 @@
 // Auto-generated, edits will be overwritten
 import * as gateway from './gateway'
 
-/**
- */
-export function listEnvironments() {
-  return gateway.request(listEnvironmentsOperation)
-}
-
 /**
  */
 export function overview() {
@@ -20,16 +14,6 @@ export function version() {
   return gateway.request(versionOperation)
 }
 
-const listEnvironmentsOperation = {
-  path: '/listEnvironments',
-  method: 'get',
-  security: [
-    {
-      id: 'key'
-    }
-  ]
-}
-
 const overviewOperation = {
   path: '/overview',
   method: 'get',