[llvm] [bazel] Remove empty Rename tests for now-deleted clang-rename (PR #109162)

[Jordan Rupprecht via llvm-commits]

rupprecht wrote:

Arguably we should actually restore the Rename tests since they exercise functionality used elsewhere, even if `clang-rename` itself was removed. This patch just matches the status quo & brings the builders back to being green.

https://github.com/llvm/llvm-project/pull/109162