chore: remove TODO that can't be TODONE

I tried to follow through on this idea at one point, but lambdas aren't legal in BUILD files.

Author: alexeagle

ts_project_transpiler/BUILD

@@ -1,8 +1,6 @@
 load("@aspect_rules_swc//swc:defs.bzl", "swc")
 load("@aspect_rules_ts//ts:defs.bzl", "ts_project")
 load("@bazel_skylib//rules:write_file.bzl", "write_file")
-
-# Note, Bazel 6 starlark has lambda so this is no longer needed after upgrade
 load("@bazel_skylib//lib:partial.bzl", "partial")
 load("@npm//:defs.bzl", "npm_link_all_packages")
 load("babel.bzl", "babel")