Remove weight and normalization keys when everviz is removed

[berland]

Ref the now removed todo comment in this code:

ert/src/everest/everest_storage.py

Lines 530 to 546 in 323b5d0

	def init(
	self,
	formatted_control_names: list[str],
	objective_functions: EverestObjectivesConfig,
	output_constraints: EverestConstraintsConfig | None,
	realizations: list[int],
	) -> None:
	controls = pl.DataFrame(
	{
	"control_name": pl.Series(formatted_control_names, dtype=pl.String),
	}
	)
	# TODO: The weight and normalization keys are only used by the everest api,
	# with everviz. They should be removed in the long run.
	weights = np.fromiter(
	(