[llvm] [BOLT] Remove llvm-bolt-wrapper logic from NFC-Mode (PR #146209)

[Amir Ayupov via llvm-commits]

aaupov wrote:

Put the symlinking logic under an option, disabled in a buildbot?
nfc-check-setup is handy for bisecting (where llvm-bolt binary is rebuilt and the script needs to be symlinked in its place) as well as for launching comparisons manually.

https://github.com/llvm/llvm-project/pull/146209