Remove references to rules_proto
They are not needed after the rules are move into protobuf repo.
Except for the reference to toolchain type, which is currently in rules_proto and can be moved after the implementation is moved into protobuf repo.
PiperOrigin-RevId: 622176865
diff --git a/build_defs/BUILD.bazel b/build_defs/BUILD.bazel
index f1394e3..a0e0438 100644
--- a/build_defs/BUILD.bazel
+++ b/build_defs/BUILD.bazel
@@ -1,8 +1,8 @@
# Internal Starlark definitions for Protobuf.
load("@bazel_skylib//lib:selects.bzl", "selects")
-load("@rules_cc//cc:defs.bzl", starlark_cc_proto_library = "cc_proto_library")
load("@rules_pkg//pkg:mappings.bzl", "pkg_files", "strip_prefix")
+load("//bazel:cc_proto_library.bzl", starlark_cc_proto_library = "cc_proto_library")
load(":cc_proto_blacklist_test.bzl", "cc_proto_blacklist_test")
load(":compiler_config_setting.bzl", "create_compiler_config_setting")
