[llvm] Revert "[Inliner] Add option (default off) to inline all calls regardless of the cost" (PR #180431)

[Justin Fargnoli via llvm-commits]

justinfargnoli wrote:

Closing this in favor of keeping the CLI option around, as it should be easier to use than requiring users to fiddle with the pass pipeline. 

https://github.com/llvm/llvm-project/pull/180431