Revert "[LoongArch] Use R_LARCH_ALIGN with section symbol (#84741)"

This reverts commit 01f79899.

This unusual special case has been discussed on the binutils mailing
list. The approach will be revisited:
https://sourceware.org/pipermail/binutils/2024-May/134092.html

Pull Request: https://github.com/llvm/llvm-project/pull/92584