Revert "[ELF][LLDB] Add an nvsass triple (#159459)" (#159879)

Summary:
This patch has broken the `libc` build bot. I could work around that but
the changes seem unnecessary.

This reverts commit 9ba844eb3a21d461c3adc7add7691a076c6992fc.

GitOrigin-RevId: 0fa3061c4e1468f8ab8fbb06ef0d19c00df2aef3
2 files changed