[libc++][NFC] Remove rebase artifact

I found it in this commit: https://github.com/llvm/llvm-project/commit/a203acb9dd7227323d6161431225189d49917744

Reviewed By: Mordante

Differential Revision: https://reviews.llvm.org/D131163

GitOrigin-RevId: 1915c1c01e6c84a1fda5a313f85e2a3dbccd7ce0
1 file changed