[llvm] [RISCV] Remove unneeded AddedComplexity from Xqcibi patterns. NFCI (PR #148301)

[Sudharsan Veeravalli via llvm-commits]

https://github.com/svs-quic approved this pull request.

I am unable to recollect why I added this. Given that the tests are passing I think we can land this.

https://github.com/llvm/llvm-project/pull/148301