MAINT: removed unused imports and sorted imports

src/caoscrawler/authorize.py

src/caoscrawler/converters/__init__.py

src/caoscrawler/converters/hdf5_converter.py

src/caoscrawler/converters/rocrate.py

src/caoscrawler/converters/spss.py

src/caoscrawler/converters/xml_converter.py

src/caoscrawler/crawl.py

src/caoscrawler/debug_tree.py

src/caoscrawler/identifiable_adapters.py

src/caoscrawler/logging.py

src/caoscrawler/macros/macro_yaml_object.py

src/caoscrawler/scanner.py

src/caoscrawler/scripts/generators.py

...scrawler/structure_elements/rocrate_structure_elements.py

src/caoscrawler/structure_elements/structure_elements.py

src/caoscrawler/sync_graph.py

src/caoscrawler/sync_node.py

src/caoscrawler/utils.py

src/caoscrawler/version.py

src/doc/conf.py