Update '2_letters+code/sketch.js'

2_letters+code/sketch.js

@@ -1,21 +1,5 @@
 // P_3_1_3_01
-//
+
-// Generative Gestaltung – Creative Coding im Web
-// ISBN: 978-3-87439-902-9, First Edition, Hermann Schmidt, Mainz, 2018
-// Benedikt Groß, Hartmut Bohnacker, Julia Laub, Claudius Lazzeroni
-// with contributions by Joey Lee and Niels Poldervaart
-// Copyright 2018
-//
-// http://www.generative-gestaltung.de
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 /**
  * analysing and sorting the letters of a text