Reformat all docstrings from Sphinx to Google style

gso/workflows/iptrunk/create_imported_iptrunk.py

gso/workflows/iptrunk/create_iptrunk.py

gso/workflows/iptrunk/deploy_twamp.py

gso/workflows/iptrunk/migrate_iptrunk.py

gso/workflows/iptrunk/modify_trunk_interface.py

gso/workflows/iptrunk/validate_iptrunk.py

gso/workflows/l2_circuit/create_imported_layer_2_circuit.py

...kflows/l3_core_service/create_imported_l3_core_service.py

gso/workflows/l3_core_service/create_l3_core_service.py

gso/workflows/l3_core_service/modify_l3_core_service.py

...h_interconnect/create_imported_lan_switch_interconnect.py

...lan_switch_interconnect/import_lan_switch_interconnect.py

..._switch_interconnect/terminate_lan_switch_interconnect.py

...n_switch_interconnect/validate_lan_switch_interconnect.py

gso/workflows/office_router/create_imported_office_router.py

gso/workflows/opengear/create_imported_opengear.py

gso/workflows/router/create_imported_router.py

gso/workflows/router/create_router.py

gso/workflows/router/import_router.py

gso/workflows/router/update_ibgp_mesh.py