try using the latest llvm/clang

Author: j2kun

MODULE.bazel

@@ -6,30 +6,7 @@ bazel_dep(name = "rules_cc", version = "0.2.18")
 # hermetic LLVM toolchain (for C++ compiler and linker)
 bazel_dep(name = "llvm", version = "0.7.8")
 
-# Configure LLVM 21.1.8
-llvm_source = use_extension("@llvm//extensions:llvm_source.bzl", "llvm_source")
-llvm_source.version(llvm_version = "21.1.8")
-
-toolchain = use_extension("@llvm//extensions:toolchain.bzl", "toolchain")
-toolchain.exec(
-    arch = "x86_64",
-    os = "linux",
-)
-toolchain.exec(
-    arch = "aarch64",
-    os = "linux",
-)
-toolchain.target(
-    arch = "x86_64",
-    os = "linux",
-)
-toolchain.target(
-    arch = "aarch64",
-    os = "linux",
-)
-use_repo(toolchain, "llvm_toolchains")
-
-register_toolchains("@llvm_toolchains//:all")
+register_toolchains("@llvm//:all")
 
 # Gazelle puglin for BUILD file autogeneration
 bazel_dep(name = "gazelle", version = "0.47.0")