Revert "ANDROID: arm64: lse: fix LSE atomics with LTO"

This reverts commit 3bd6dd6a.

Fixed upstream by
commit e0d5896bd356 ("arm64: lse: fix LSE atomics with LLVM's integrated assembler")
which landed in v4.19.164.

Bug: 117299373
Bug: 133186739
Bug: 141693040
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I1495c03a1512a7f9c3da9d5e4517619c2291dba8