Revert "fix(protocols): re-add get_all_labware_definitions (#17077)"

This reverts commit 059380b.

api/src/opentrons/protocols/api_support/util.py

@@ -391,13 +391,3 @@ def _check_version_wrapper(*args: Any, **kwargs: Any) -> Any:
         return cast(FuncT, _check_version_wrapper)
 
     return _set_version
-
-
-class ModifiedList(list[str]):
-    def __contains__(self, item: object) -> bool:
-        if not isinstance(item, str):
-            return False
-        for name in self:
-            if name == item.replace("-", "_").lower():
-                return True
-        return False

api/src/opentrons/protocols/labware.py

@@ -2,15 +2,13 @@
 
 import logging
 import json
-import os
 
 from pathlib import Path
-from typing import Any, AnyStr, Dict, Optional, Union, List
+from typing import Any, AnyStr, Dict, Optional, Union
 
 import jsonschema  # type: ignore
 
 from opentrons_shared_data import load_shared_data, get_shared_data_root
-from opentrons.protocols.api_support.util import ModifiedList
 from opentrons.protocols.api_support.constants import (
     OPENTRONS_NAMESPACE,
     CUSTOM_NAMESPACE,
@@ -63,27 +61,6 @@ def get_labware_definition(
     return _get_standard_labware_definition(load_name, namespace, version)
 
 
-def get_all_labware_definitions() -> List[str]:
-    """
-    Return a list of standard and custom labware definitions with load_name +
-        name_space + version existing on the robot
-    """
-    labware_list = ModifiedList()
-
-    def _check_for_subdirectories(path: Union[str, Path, os.DirEntry[str]]) -> None:
-        with os.scandir(path) as top_path:
-            for sub_dir in top_path:
-                if sub_dir.is_dir():
-                    labware_list.append(sub_dir.name)
-
-    # check for standard labware
-    _check_for_subdirectories(get_shared_data_root() / STANDARD_DEFS_PATH)
-    # check for custom labware
-    for namespace in os.scandir(USER_DEFS_PATH):
-        _check_for_subdirectories(namespace)
-    return labware_list
-
-
 def save_definition(
     labware_def: LabwareDefinition, force: bool = False, location: Optional[Path] = None
 ) -> None: