[lld] [LLD] [MinGW] Ignore the -rpath option (PR #102886)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

(I'm not adding any test case here, as we so far don't explicitly test the driver options that are implemented as no-op stubs like this.)

https://github.com/llvm/llvm-project/pull/102886