[lld] [lld][NFC] Remove unnecessary else statements. (PR #69451)

[Reid Kleckner via llvm-commits]

rnk wrote:

Looks good, but it looks like check-lld failed:
https://buildkite.com/llvm-project/github-pull-requests/builds/8476#018b42ac-9aaf-4930-9f54-ff29d0d3af45
Can you investigate?

https://github.com/llvm/llvm-project/pull/69451