Update requirements.txt remove mypy

[jbampton]

We run mypy with pre-commit so it should be self contained

[BaseMax]

Also we can delete types-PyYAML from root, we need to have types-PyYAML inside config dir.

[BaseMax]

And please update requirements.txt file in the config dir.

[BaseMax]

requirements.txt in config and portal dir

@BDadmehr0 Maybe you can do it as next PR.

Many thanks