Revert "build(mac): brew install llvm -> lld (#18804)"

This reverts commit 18604b2.

Author: StrikeW

.cargo/config.toml

@@ -20,13 +20,13 @@ rustflags = [
 [target.x86_64-apple-darwin]
 rustflags = [
     "-Ctarget-feature=+sse4.2",                             # use a generally available feature, since it's not for production
-    "-Clink-arg=-fuse-ld=lld",
+    "-Clink-arg=-fuse-ld=/usr/local/opt/llvm/bin/ld64.lld",
 ]
 
 [target.aarch64-apple-darwin]
 rustflags = [
     # neon is enabled by default
-    "-Clink-arg=-fuse-ld=lld",
+    "-Clink-arg=-fuse-ld=/opt/homebrew/opt/llvm/bin/ld64.lld",
 ]
 
 # Flags for all targets.

docs/dev/src/build-and-run/intro.md

@@ -7,7 +7,7 @@
 To install the dependencies on macOS, run:
 
 ```shell
-brew install postgresql cmake protobuf tmux cyrus-sasl lld openssl@3
+brew install postgresql cmake protobuf tmux cyrus-sasl llvm openssl@3
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 ```