modifed dockerfile

Dockerfile

@@ -1,17 +1,3 @@
-# Copyright (c) 2019-present Sonatype, Inc.
-#
-# 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.
-
 FROM sonatype/nexus-platform-cli:0.0.20190220-163049.9ebe2a7
 
 ENV SONATYPE_DIR=/opt/sonatype