Rmv. dependency indicator and leave comment

Author: brettz9

functions/strings/sha1.js

@@ -4,7 +4,6 @@ function sha1(str) {
   // improved by: Michael White (http://getsprink.com)
   // improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
   //    input by: Brett Zamir (http://brett-zamir.me)
-  //  depends on: utf8_encode
   //   example 1: sha1('Kevin van Zonneveld');
   //   returns 1: '54916d2e62f65b3afa6e192e6a601cdbe5cb5897'
 
@@ -51,7 +50,7 @@ function sha1(str) {
   var A, B, C, D, E;
   var temp;
 
-  str = unescape(encodeURIComponent((str));
+  str = unescape(encodeURIComponent((str)); // utf8_encode
   var str_len = str.length;
 
   var word_array = [];