Remove unused API endpoints for users and submissions from the API and documentation to streamline the codebase.

stubs/api/index.js

@@ -272,14 +272,6 @@ router.delete('/challenge/chain/:id', (req, res) => {
   respond(res, { success: true });
 });
 
-// ============= USERS =============
-
-// GET /api/challenge/users
-router.get('/challenge/users', (req, res) => {
-  const users = getUsers();
-  respond(res, users);
-});
-
 // ============= STATS =============
 
 // GET /api/challenge/stats
@@ -415,12 +407,6 @@ router.get('/challenge/user/:userId/stats', (req, res) => {
 
 // ============= SUBMISSIONS =============
 
-// GET /api/challenge/submissions
-router.get('/challenge/submissions', (req, res) => {
-  const submissions = getSubmissions();
-  respond(res, submissions);
-});
-
 // GET /api/challenge/user/:userId/submissions
 router.get('/challenge/user/:userId/submissions', (req, res) => {
   const submissions = getSubmissions();