Revert: Pin a newer @platforms in the Bazel workspace to fix Mac ARM …

…builds.

The @platforms repository has been updated in the @tf_runtime repository, which was pulling in the old version of @platforms. We no longer need to override @platforms in the JAX WORKSPACE.

PiperOrigin-RevId: 440375016

WORKSPACE

@@ -1,17 +1,5 @@
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-# Force a sufficiently new copy of @platforms, see https://github.com/bazelbuild/bazel/issues/15175 and
-# https://github.com/google/jax/issues/10132. When our transitive dependencies aren't pulling in an
-# old version, we can remove this (the current hypothesis is that the cause is in TFRT).
-http_archive(
-    name = "platforms",
-    sha256 = "379113459b0feaf6bfbb584a91874c065078aa673222846ac765f86661c27407",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/platforms/releases/download/0.0.5/platforms-0.0.5.tar.gz",
-        "https://github.com/bazelbuild/platforms/releases/download/0.0.5/platforms-0.0.5.tar.gz",
-    ],
-)
-
 # To update TensorFlow to a new revision,
 # a) update URL and strip_prefix to the new git commit hash
 # b) get the sha256 hash of the commit by running: