[lld] [lld][WebAssembly] Do not relocate ABSOLUTE symbols (PR #153763)

[Sam Clegg via llvm-commits]

sbc100 wrote:

This causes a bunch of test failures on the emscripten waterfall, mostly lsan tests.

I'm guessing that not all symbols we add with `addOptionalDataSymbol` and/or `addSyntheticDataSymbol` should be treated as absolute like this.

I think we should revert until we can figure out the best approach here.

https://github.com/llvm/llvm-project/pull/153763