logger: remove unused methods

Author: shakyShane

lib/logger.js

@@ -68,20 +68,6 @@ module.exports.callbacks = {
             logger.info("{cyan:Reloading Browsers...");
         }
     },
-    /**
-     * @param {BrowserSync} bs
-     * @param data
-     */
-    "config:warn": function (bs, data) {
-        logger.setOnce("useLevelPrefixes", true).warn(data.msg);
-    },
-    /**
-     * @param {BrowserSync} bs
-     * @param data
-     */
-    "config:error": function (bs, data) {
-        logger.setOnce("useLevelPrefixes", true).error.apply(logger, data.msg);
-    },
     /**
      * @param {BrowserSync} bs
      * @param data
@@ -157,7 +143,7 @@ module.exports.callbacks = {
             logger.unprefixed("info",
                 messages.scriptTags(bs.options)
             );
-            
+
             logUrls(bs.options.get("urls").filter(function (value, key) {
                 return key.slice(0, 2) === "ui";
             }).toJS());