feat: retire gradient v1 and v2 (#385)

Retire Jobs, Experiments, Deployments V2 and Tensorboards. These
features have been supplanted by workflows and deployments v3.

BREAKING CHANGE:
Removed clients for retired products

Makefile

@@ -23,7 +23,6 @@ clean:
 
 prepare-docs-source:
 	@sphinx-apidoc -f -o source gradient
-	@cp source/cli_docs/gradient.cli.rst source/gradient.cli.rst
 
 gh-pages: prepare-docs-source
 	@make html

gradient/api_sdk/__init__.py

@@ -2,7 +2,5 @@
 from .constants import *
 from .models import *
 from .repositories import *
-from .s3_downloader import JobArtifactsDownloader
-from .s3_uploader import ExperimentFileUploader, ExperimentWorkspaceDirectoryUploader
 from .archivers import ZipArchiver
 from .sdk_exceptions import *

gradient/api_sdk/clients/__init__.py

@@ -2,18 +2,13 @@
 from .dataset_client import DatasetsClient
 from .dataset_tag_client import DatasetTagsClient
 from .dataset_version_client import DatasetVersionsClient
-from .deployment_client import DeploymentsClient
-from .experiment_client import ExperimentsClient
-from .hyperparameter_client import HyperparameterJobsClient
-from .job_client import JobsClient
 from .machine_types_client import MachineTypesClient
 from .machines_client import MachinesClient
 from .model_client import ModelsClient
 from .notebook_client import NotebooksClient
 from .project_client import ProjectsClient
 from .secret_client import SecretsClient
 from .storage_provider_client import StorageProvidersClient
-from .tensorboards_client import TensorboardClient
 from .workflow_client import WorkflowsClient
 
 from .sdk_client import SdkClient