Fully remove deprecated api_client instance

This has been deprecated since v13.1.0, and all in-library references to
it have been cleaned up. No downstream code should be relying on this
instance.

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog 1.0.0].
 
 ## [Unreleased]
 
+- **Breaking:**: Fully remove the deprecated `caselawclient.api_client` instance.
+
 ## [Release 17.3.0]
 
 - **Feature:** `Document.enrich()` method will send a message to the announce SNS, requesting that a document be enriched.

src/caselawclient/Client.py

@@ -951,17 +951,3 @@ def get_combined_stats_table(self) -> list[list[Any]]:
         )
 
         return results
-
-
-api_client = MarklogicApiClient(
-    host=env("MARKLOGIC_HOST", default=None),
-    username=env("MARKLOGIC_USER", default=None),
-    password=env("MARKLOGIC_PASSWORD", default=None),
-    use_https=env("MARKLOGIC_USE_HTTPS", default=False),
-)
-"""
-An instance of the API client which is automatically initialised on importing the library.
-
-.. deprecated:: 13.0.1
-   You should instead initialise your own instance of `MarklogicApiClient`
-"""

src/caselawclient/__init__.py

@@ -37,24 +37,4 @@
 
 ```
 
-## (Deprecated) Use in-library client instance
-
-This library will automatically initialise an instance of the client. This functionality is deprecated, and will be
-removed.
-
-The client expects the following environment variables to be set or defined in a `.env` file:
-
-```bash
-MARKLOGIC_HOST
-MARKLOGIC_USER
-MARKLOGIC_PASSWORD
-MARKLOGIC_USE_HTTPS # Optional, defaults to False
-```
-
-Then import `api_client` from `caselawclient.Client`:
-
-```python
-from caselawclient.Client import api_client
-```
-
 """