Revert "Turn on LTO for libc++.so"

This reverts commit 51a6acef395db893a6c693ac5daa9fb376c1c994.

Reason for revert: breaks soong_integration-clean: https://android-build.corp.google.com/build_explorer/branch_dashboard/aosp-master-bazel/build_id/10381995/?activeTarget=bp2build-incremental

Change-Id: I3974db37b32a86374e6309734decb169daa63c2e
1 file changed