refactor: remove unused first/lastIn2Array function

src/js/common/common.js

@@ -121,27 +121,6 @@ module.exports = {
         return str.replace(/<([^>]+)>/ig, '');
     },
 
-    /**
-     * Get first value in 2-dimentional array.
-     * @param {Array.<Array>} arr2d - 2-dimentional array
-     * @returns {*} first value in 2d array
-     */
-    firstIn2dArray: function(arr2d) {
-        return util.pick(arr2d, '0', '0');
-    },
-
-    /**
-     * Get last value in 2-dimentional array.
-     * @param {Array.<Array>} arr2d - 2-dimentional array
-     * @returns {*} last value in 2d array
-     */
-    lastIn2dArray: function(arr2d) {
-        var lastRow = arr2d.length - 1,
-            lastCol = arr2d[lastRow].length - 1;
-
-        return util.pick(arr2d, lastRow, lastCol);
-    },
-
     /**
      * Set 'title' attribute for all elements that have exceeded content in
      * container