Revert "[bazel] Add explicit dep on protobuf (llvm#168928)"

This reverts commit 930066f.

Author: yzhang93

utils/bazel/MODULE.bazel

@@ -3,35 +3,34 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 """bzlmod configuration for llvm-project"""
-
 module(name = "llvm-project-overlay")
 
 bazel_dep(name = "apple_support", version = "1.24.1", repo_name = "build_bazel_apple_support")
 bazel_dep(name = "bazel_skylib", version = "1.8.2")
 bazel_dep(name = "platforms", version = "1.0.0")
-bazel_dep(name = "protobuf", version = "31.1", repo_name = "com_google_protobuf")
 bazel_dep(name = "rules_android", version = "0.6.6")
 bazel_dep(name = "rules_cc", version = "0.2.11")
 bazel_dep(name = "rules_foreign_cc", version = "0.15.1")
 bazel_dep(name = "rules_python", version = "1.6.3")
 bazel_dep(name = "rules_shell", version = "0.6.1")
 
 llvm_repos_extension = use_extension(":extensions.bzl", "llvm_repos_extension")
+
 use_repo(
     llvm_repos_extension,
-    "gmp",
     "llvm-raw",
     "llvm_zlib",
-    "llvm_zstd",
-    "mpc",
+    "vulkan_headers",
+    "vulkan_sdk",
+    "gmp",
     "mpfr",
-    "nanobind",
+    "mpc",
     "pfm",
+    "llvm_zstd",
     "pybind11",
     "pyyaml",
     "robin_map",
-    "vulkan_headers",
-    "vulkan_sdk",
+    "nanobind",
 )
 
 llvm_configure = use_repo_rule("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure")