Minor update of License and copyright in one file

Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>

sample_ee_vnf/helm-charts/eechart/source/mylib.py

 ##
-# Copyright 2022 Telefonica Investigacion y Desarrollo, S.A.U.
-# This file is part of OSM
-# All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -16,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# For those usages not covered by the Apache License, Version 2.0 please
-# contact with: nfvlabs@tid.es
 ##
 
 import logging