fix(*): Use default setting for pool connection timeout

Our custom setting is really low, which means the connections are destryed and recreated very often.
This may lead to errors in acquiring a connection to the db

packages/xpub-faraday/config/default.js

@@ -40,7 +40,7 @@ module.exports = {
   },
   'pubsweet-server': {
     db: getDbConfig(),
-    pool: { min: 0, max: 10, idleTimeoutMillis: 1000 },
+    pool: { min: 0, max: 10 },
     ignoreTerminatedConnectionError: true,
     port: 3000,
     logger,