remove ebashr trans (#2947)

Summary:
Pull Request resolved: #2947

See title.

Reviewed By: mgarrard

Differential Revision: D64787016

fbshipit-source-id: 8a0e6efa6e67d1158755e4a8e0793e05294cbf86

ax/modelbridge/registry.py

@@ -45,7 +45,6 @@
 from ax.modelbridge.transforms.log import Log
 from ax.modelbridge.transforms.logit import Logit
 from ax.modelbridge.transforms.one_hot import OneHot
-from ax.modelbridge.transforms.relativize import Relativize
 from ax.modelbridge.transforms.remove_fixed import RemoveFixed
 from ax.modelbridge.transforms.search_space_to_choice import SearchSpaceToChoice
 from ax.modelbridge.transforms.standardize_y import StandardizeY
@@ -100,8 +99,6 @@
     UnitX,
 ]
 
-EB_ashr_trans: list[type[Transform]] = [Relativize, IVW, SearchSpaceToChoice]
-
 Y_trans: list[type[Transform]] = [IVW, Derelativize, StandardizeY]
 
 # Expected `List[Type[Transform]]` for 2nd anonymous parameter to