Removed deprecated file (#1380)

diff --git a/crate_universe/crates.bzl b/crate_universe/crates.bzl
deleted file mode 100644
index cf694e8..0000000
--- a/crate_universe/crates.bzl
+++ /dev/null
@@ -1,8 +0,0 @@
-"""**DEPRECATED** - Instead, use `@rules_rust//crate_universe:repositories.bzl"""
-
-load(":repositories.bzl", "crate_universe_dependencies")
-
-def crate_deps_repository(**kwargs):
-    # buildifier: disable=print
-    print("`crate_deps_repository` is deprecated. See setup instructions for how to update: https://bazelbuild.github.io/rules_rust/crate_universe.html#setup")
-    crate_universe_dependencies(**kwargs)