Removed non user metadata from mongodb, #298.

gui/src/components/entry/RepoEntryView.js

nomad/app/api/archive.py

nomad/app/api/repo.py

nomad/app/api/upload.py

nomad/app/optimade/endpoints.py

nomad/cli/admin/admin.py

nomad/cli/admin/uploads.py

nomad/cli/client/mirror.py

nomad/cli/parse.py

nomad/client.py

nomad/datamodel/__init__.py

nomad/datamodel/datamodel.py

nomad/datamodel/dft.py

nomad/datamodel/ems.py

nomad/files.py

nomad/metainfo/example.py

nomad/metainfo/metainfo.py

nomad/normalizing/optimade.py

nomad/parsing/legacy.py

nomad/processing/data.py