Remove the `load_entities` parameter from the `extract` command

Closes #188 (closed)

dan/datasets/extract/__init__.py

@@ -97,11 +97,6 @@ def add_extract_parser(subcommands) -> None:
     )
 
     # Optional arguments.
-    parser.add_argument(
-        "--load-entities",
-        action="store_true",
-        help="Extract text with their entities.",
-    )
     parser.add_argument(
         "--entity-separators",
         type=validate_char,
@@ -116,7 +111,7 @@ def add_extract_parser(subcommands) -> None:
     parser.add_argument(
         "--tokens",
         type=pathlib.Path,
-        help="Mapping between starting tokens and end tokens. Needed for entities.",
+        help="Mapping between starting tokens and end tokens to extract text with their entities.",
         required=False,
     )