Assume that jaxlib.get_serialized_metadata is always defined

JAX now requires jaxlib >= 0.4.34, so we should as well.

jax_triton/__init__.py

@@ -24,7 +24,6 @@
     "__version_info__",
 ]
 
-import jaxlib
 from jax._src.lib import gpu_triton
 from jax_triton import utils
 from jax_triton.triton_lib import triton_call
@@ -36,20 +35,15 @@
 
 try:
   get_compute_capability = gpu_triton.get_compute_capability
+  get_serialized_metadata = gpu_triton.get_serialized_metadata
 except AttributeError:
   raise ImportError(
       "jax-triton requires JAX to be installed with GPU support. The "
       "installation page on the JAX documentation website includes "
       "instructions for installing a supported version:\n"
       "https://jax.readthedocs.io/en/latest/installation.html"
   )
-
-if jaxlib.version.__version_info__ >= (0, 4, 14):
-  try:
-    get_serialized_metadata = gpu_triton.get_serialized_metadata
-  except AttributeError:
-    get_serialized_metadata = None
+else:
+  del gpu_triton  # Not part of the API.
 
 # trailer
-del gpu_triton
-del jaxlib