docs: remove header and add notice

CHANGELOG.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [Unreleased]
 ### Changed
 - Updated Spring Boot and its transitive dependencies
+- Updated ARC42 document notice section
 
 
 ## [2.1.9] - 2024-01-30

docs/ARC42.md

@@ -1,25 +1,14 @@
-# ################################################################################
-# Copyright (c) 2022,2023 T-Systems International GmbH
-# Copyright (c) 2022,2023 Contributors to the Eclipse Foundation
-#
-# See the NOTICE file(s) distributed with this work for additional
-# information regarding copyright ownership.
-#
-# This program and the accompanying materials are made available under the
-# terms of the Apache License, Version 2.0 which is available at
-# https://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.
-#
-# SPDX-License-Identifier: Apache-2.0
-# ##############################################################################
-
 # Arc 42 Self Description Factory
 
+## NOTICE
+
+This work is licensed under the [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0).
+
+- SPDX-License-Identifier: Apache-2.0
+- SPDX-FileCopyrightText: 2021,2022,2023 T-Systems International GmbH
+- SPDX-FileCopyrightText: 2022,2023 Contributors to the Eclipse Foundation
+- Source URL: https://github.com/eclipse-tractusx/sd-factory
+
 ## Introduction and Goals
 
 SD-Factory creates a Verifiable Credential based on the information taken from Onboarding Service (OS) and requests