Is `get_target_language` needed

[williambdean]

This function is used for the CAReduce

pytensor/pytensor/compile/mode.py

Lines 589 to 611 in d057453

	def get_target_language(mode=None) -> tuple[Literal["py", "c", "numba", "jax"], ...]:
	"""Get the compilation target language."""
	if mode is None:
	mode = get_default_mode()
	linker = mode.linker
	if isinstance(linker, NumbaLinker):
	return ("numba",)
	if isinstance(linker, JAXLinker):
	return ("jax",)
	if isinstance(linker, PerformLinker):
	return ("py",)
	if isinstance(linker, CLinker):
	return ("c",)
	if isinstance(linker, MLXLinker):
	return ("py",)
	if isinstance(linker, VMLinker | OpWiseCLinker):
	return ("c", "py") if config.cxx else ("py",)
	raise Exception(f"Unsupported Linker: {linker}")