Revert "[lldb/test] Automatically find debug servers to test"

The commit 7df4eaaa937332c0617aa665080533966e2c98a0 appears to
break the windows bot. Revert while I investigate.

GitOrigin-RevId: 3cad308ce5d9eb2cc52f43ccef68f3d2b12f2a32
8 files changed