Clean up some leftover utils from legacy generators

ax/adapter/adapter_utils.py

@@ -48,7 +48,7 @@
 )
 from ax.core.types import TBounds, TCandidateMetadata
 from ax.exceptions.core import DataRequiredError, UserInputError
-from ax.generators.torch.botorch_moo_defaults import (
+from ax.generators.torch.botorch_moo_utils import (
     get_weighted_mc_objective_and_objective_thresholds,
     pareto_frontier_evaluator,
 )

ax/adapter/tests/test_torch_moo_adapter.py

@@ -32,7 +32,7 @@
 )
 from ax.core.parameter_constraint import ParameterConstraint
 from ax.generators.torch.botorch_modular.generator import BoTorchGenerator
-from ax.generators.torch.botorch_moo_defaults import (
+from ax.generators.torch.botorch_moo_utils import (
     infer_objective_thresholds,
     pareto_frontier_evaluator,
 )

ax/adapter/torch.py

@@ -64,7 +64,7 @@
 from ax.exceptions.core import DataRequiredError, UnsupportedError, UserInputError
 from ax.exceptions.generation_strategy import OptimizationConfigRequired
 from ax.generators.torch.botorch_modular.generator import BoTorchGenerator
-from ax.generators.torch.botorch_moo_defaults import infer_objective_thresholds
+from ax.generators.torch.botorch_moo_utils import infer_objective_thresholds
 from ax.generators.torch.utils import _get_X_pending_and_observed
 from ax.generators.torch_base import TorchGenerator, TorchOptConfig
 from ax.generators.types import TConfig