[llvm] Revert "[bazel] Update to 7.x (#86297)" (PR #86325)

[Keith Smiley via llvm-commits]

https://github.com/keith created https://github.com/llvm/llvm-project/pull/86325

Reverting for https://github.com/llvm/llvm-project/pull/86297#issuecomment-2015660662

This reverts commit ab8ace3bfd5165a8532f710f9c2d8dd40c3fac39.

>From 01d50b233c652aacf6cc5daa244a4f59dca746e7 Mon Sep 17 00:00:00 2001
From: Keith Smiley <keithbsmiley at gmail.com>
Date: Fri, 22 Mar 2024 11:45:32 -0700
Subject: [PATCH] Revert "[bazel] Update to 7.x (#86297)"

Reverting for https://github.com/llvm/llvm-project/pull/86297#issuecomment-2015660662

This reverts commit ab8ace3bfd5165a8532f710f9c2d8dd40c3fac39.
---
 utils/bazel/.bazelrc      | 5 -----
 utils/bazel/.bazelversion | 2 +-
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/utils/bazel/.bazelrc b/utils/bazel/.bazelrc
index e8d055ec232290..1d7cf4a4df1b11 100644
--- a/utils/bazel/.bazelrc
+++ b/utils/bazel/.bazelrc
@@ -6,11 +6,6 @@
 # Common flags that apply to all configurations.
 # Use sparingly for things common to all compilers and platforms.
 ###############################################################################
-
-# Flip off to disable MODULE.bazel until we're ready.
-# https://github.com/llvm/llvm-project/issues/55924
-common --enable_bzlmod=false
-
 # Prevent invalid caching if input files are modified during a build.
 build --experimental_guard_against_concurrent_changes
 
diff --git a/utils/bazel/.bazelversion b/utils/bazel/.bazelversion
index 21c8c7b46b8993..5e3254243a3b27 100644
--- a/utils/bazel/.bazelversion
+++ b/utils/bazel/.bazelversion
@@ -1 +1 @@
-7.1.1
+6.1.2