docs: remove experimental tags in code

src/phoenix/datasets/schema.py

@@ -34,7 +34,6 @@ class EmbeddingColumnNames(Dict[str, Any]):
 @dataclass(frozen=True)
 class RetrievalEmbeddingColumnNames(EmbeddingColumnNames):
     """
-    *** Experimental ***
     A relationship is a column that maps a prediction to another record.
 
     Example

src/phoenix/session/evaluation.py

@@ -1,5 +1,5 @@
 """
-A set of **highly experimental** helper functions to
+A set of helper functions to
   - extract spans from Phoenix for evaluation
     - explode retrieved documents from (horizontal) lists to a (vertical) series
       indexed by `context.span_id` and `document_position`
@@ -73,7 +73,6 @@ def _extract_subject_id_from_index(
     value: Union[str, Sequence[Any]],
 ) -> pb.Evaluation.SubjectId:
     """
-    (**Highly Experimental**)
     Returns `SubjectId` given the format of `index_names`. Allowed formats are:
         - DocumentRetrievalId
             - index_names=["context.span_id", "document_position"]

src/phoenix/session/session.py

@@ -447,7 +447,7 @@ def launch_app(
     corpus : Dataset, optional
         The dataset containing corpus for LLM context retrieval.
     trace: TraceDataset, optional
-        **Experimental** The trace dataset containing the trace data.
+        The trace dataset containing the trace data.
     host: str, optional
         The host on which the server runs. It can also be set using environment
         variable `PHOENIX_HOST`, otherwise it defaults to `127.0.0.1`.