Cleanup obsolete TODO

Was done in https://github.com/bazelbuild/rules_java/pull/357

(ignore-relnotes)

PiperOrigin-RevId: 925901106
Change-Id: I132bca7684b3edc42e5d82acdf4fa8826d2f7590

toolchains/BUILD

diff --git a/toolchains/BUILD b/toolchains/BUILD
index 007b610..30b78e5 100644
--- a/toolchains/BUILD
+++ b/toolchains/BUILD
@@ -133,8 +133,6 @@
 #
 # See test_jni in third_party/bazel/src/test/shell/bazel/bazel_java_test.sh for
 # an example of using Bazel to build a Java program that calls a C function.
-#
-# TODO(ilist): use //src:condition:linux when released in Bazel
 cc_library(
     name = "jni",
     hdrs = [":jni_header"] + select({