Cleaned up loader method docs

refs https://linear.app/tryghost/issue/CORE-35/refactor-route-and-redirect-settings

- There were duplicate descriptions of the same thing in multiple places. Made the description a bit more accurate given the latest changes

core/server/services/route-settings/loader.js

@@ -57,10 +57,10 @@ const loadSettings = async () => {
 };
 
 /**
- * Reads the desired settings YAML file and passes the
+ * Reads the routes.yaml settings file and passes the
  * file to the YAML parser which then returns a JSON object.
- * NOTE: loading happens synchronously
- * @returns {Object} settingsFile
+ *
+ * @returns {Object} settingsFile in following format: {routes: {}, collections: {}, resources: {}}
  */
 module.exports.loadSettingsSync = function loadSettingsSync() {
     const setting = 'routes';

core/server/services/route-settings/route-settings.js

@@ -145,12 +145,6 @@ const init = function () {
 };
 
 module.exports.init = init;
-/**
- * Fetches routes YAML settings synchronously.
- * will return a JSON Object like this:
- * {routes: {}, collections: {}, resources: {}}
- * @returns {Object} routes.yaml in JSON format
- */
 module.exports.loadRouteSettingsSync = SettingsLoader.loadSettingsSync;
 
 module.exports.api = {