remove remaining uses of /api in the rest namespace

docker/environment.dev.ts

@@ -13,6 +13,6 @@ export const environment = {
     host: 'localhost',
     port: 8080,
     // NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
-    nameSpace: '/server/api'
+    nameSpace: '/server'
   }
 };