Removed the nomad@FAIRDI repository search code for now.

nomad/api/repo.py

nomad/coe_repo/upload.py

nomad/files.py

nomad/infrastructure.py

nomad/normalizing/repository.py

nomad/processing/data.py

nomad/repo.py

nomad/search.py

tests/conftest.py

tests/processing/test_data.py

tests/test_api.py

tests/test_files.py

tests/test_repo.py