[llvm] [RISCV] Remove duplicate pattern in RISCVInstrInfoVPseudos.td (PR #67436)

[Michael Maitland via llvm-commits]

https://github.com/michaelmaitland approved this pull request.

LGTM. Looks like duplicates were added in https://github.com/llvm/llvm-project/commit/9360926cfcd3bca1c0d662bf8d9ea6726cda4c22 by accident.

https://github.com/llvm/llvm-project/pull/67436