minor correction: deleted redundant code

Raghav Dua · Raghav Dua · commit ff73247a705d · 2016-05-26T21:34:56.000+05:30
diff --git a/algorithm/string/knuth_morris_pratt/substring_search/code.js b/algorithm/string/knuth_morris_pratt/substring_search/code.js
@@ -3,11 +3,6 @@ Number.prototype.mod = function (n) {
     return ((this%n)+n)%n;
 };
 
-function randString (length) {
-	var result = Math.random ().toString (36);
-	return result.substring (result.length - length);
-}
-
 function tracker (substring) {
 	var i = 1, j = 0;
 
@@ -110,4 +105,4 @@ var positions = kmp (string, substring);
 logger._print ('Substring positions are: ' + (positions.length ? String (positions) : 'NONE'));
 for (var i = 0; i < positions.length; i++) {
 	stringTracer._select (positions [i], positions [i] + substring.length - 1)._wait ();
-}
+}
