Removed functions

js/utils.js

@@ -411,31 +411,3 @@ function median(arr = []) {
 		(nums[mid] + nums[mid - 1]) / 2 :
 		 nums[mid];
 }
-
-/**
- * Returns whether a letter is a vowel.
- * @param {string} char Can use any case
- * @returns {boolean}
- */
-function isVowel(char) {
-	return /[aeiou]/.test(char);
-}
-
-/**
- * Returns whether a string begins with a vowel.
- * @param {string} word Can use any case
- * @returns {boolean}
- */
-function startsWithVowel(word) {
-	return isVowel(word.charAt(0).toLowerCase());
-}
-
-/**
- * @example const a = aOrAn("apple");
- *
- * `She is eating ${a} apple.`	// "She is eating an apple."
- * @param {string} word
- */
-function aOrAn(word) {
-	return startsWithVowel(word) ? 'an' : 'a';
-}