Remove additional hash after Apache-2.0 license header

[maciejmajek]

Is your feature request related to a problem? Please describe.
Currently licenses are applied to all python and cpp code.

Here is how it looks like in py files

# Copyright (C) 2024 Robotec.AI
#
# 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.
#

# code starts here

Describe the solution you'd like
The additional hash should be removed.

Describe alternatives you've considered

Additional context