Prevent cache from being flushed on start

We shouldn't clear the cache because scheduled functions are also
in the cache and we don't want to lose them.

CONTRIBUTING.md

@@ -436,6 +436,14 @@ composer lint
 composer lint <your file path>
 ```
 
+## Clearing the Cache
+
+If you need to clear the cache, you can do so by running the following command:
+
+```bash
+docker compose exec redis redis-cli FLUSHALL
+```
+
 ## Tutorials
 
 From time to time, our team will add tutorials that will help contributors find their way in the Appwrite source code. Below is a list of currently available tutorials:

app/http.php

@@ -92,7 +92,6 @@ $http->on('start', function (Server $http) use ($payloadSize, $register) {
         $collections = Config::getParam('collections', []);
 
         try {
-            $redis->flushAll();
             Console::success('[Setup] - Creating database: appwrite...');
             $dbForConsole->create();
         } catch (\Exception $e) {