updates after rules_rust 0.40.0

BUILD.bazel

@@ -56,9 +56,6 @@ gazelle(
 # NOTE: use cargo_bazel to parse the lockfile
 # gazelle:resolve rust cargo_bazel @rules_rust//crate_universe:cargo_bazel
 
-# NOTE: need to use the version of serde_json from crate_universe so that it matches
-# gazelle:resolve rust serde_json @rules_rust//crate_universe/3rdparty/crates:serde_json
-
 # NOTE: would like to use more checks, but the full suite doesn't succeed on some external libraries
 nogo(
     name = "nogo",

README.md

@@ -30,10 +30,8 @@ http_archive(
 gazelle\_rust doesn't have any releases yet, so please just pick the latest commit on `main`. To
 determine the sha256, first set the value to `None`, then fill in the sha256 that bazel tells you.
 
-gazelle\_rust currently requires a patch to rules\_rust in order to expose the logic needed to parse
-crate\_universe lockfiles. This is required even if you don't use crate\_universe. gazelle\_rust
-provides patches that work both with and without the `-p1` flag, and `example/WORKSPACE` shows how
-to apply the patch to rules\_rust.
+gazelle\_rust requires rules_rust 0.40.0 or later. Previous versions required a patch to
+rules\_rust.
 
 The dependencies for gazelle\_rust itself are loaded through two repository rule macros, shown in
 `example/WORKSPACE`. This includes setting up gazelle, but you may use a different gazelle version