Revert "Disable lld for unrecognized --keep-unique flag."

This reverts commit d5d597f672ea36b8ea6a806e783abd87d9382b49.

Reason for revert: New lld now recognize --keep-unique
Bug: 77976998
Bug: 110833175

Change-Id: I734da95285e0a383e5f0de5bdf0042a11ccb74a8
1 file changed