[lld] [lld][WebAssembly]: Defer __wasm_apply_data_relocs decision to writer… (PR #109249)

[YAMAMOTO Takashi via llvm-commits]

yamt wrote:

> How about making the title `[lld]WebAssembly] Avoid emitting empty __wasm_apply_data_relocs function`?

done

https://github.com/llvm/llvm-project/pull/109249