Clean up based on self-review

py/server/deephaven_internal/auto_completer/_completer.py

@@ -78,8 +78,6 @@ class Completer:
     def __init__(self):
         self._docs = {}
         self._versions = {}
-        # Cache for signature markdown
-        self.signature_cache = {}
         # we will replace this w/ top-level globals() when we open the document
         self.__scope = globals()
         # might want to make this a {uri: []} instead of []

py/server/deephaven_internal/auto_completer/_signature_help.py

@@ -164,6 +164,13 @@ def _generate_description_markdown(docs: Docstring, params: list[ParameterDetail
 def _generate_param_markdowns(signature: Signature, params: list[Any]) -> list[Any]:
     """
     Generate markdown for each parameter in the signature. This will be shown on top of the description markdown.
+
+    Args:
+        signature: The signature from `jedi`
+        params: The list of parameters from `_get_params`
+
+    Returns:
+        A list of signature names and description pairs.
     """
 
     param_docs = []