refactor scheduler to streamline source execution and improve maintenance

server.js

@@ -2,7 +2,7 @@ const Fastify = require('fastify');
 const articleRoutes = require('./src/routes/articles');
 const statusRoutes = require('./src/routes/status');
 const config = require('./src/config');
-const { startScheduler, runAllIngestions } = require('./src/scheduler');
+const { startScheduler } = require('./src/scheduler');
 
 const app = Fastify({ logger: true });
 
@@ -14,10 +14,6 @@ app.get('/', async () => ({ ok: true }));
 async function start() {
   await app.listen({ port: config.server.port, host: config.server.host });
 
-  runAllIngestions().catch((error) => {
-    app.log.error(error);
-  });
-
   startScheduler();
 }