[llvm] [WebAssembly] Misc. fixes in CFGStackify (PR #107182)

[Heejin Ahn via llvm-commits]

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@@ -1767,10 +1764,7 @@ bool WebAssemblyCFGStackify::runOnMachineFunction(MachineFunction &MF) {
 
   // Add an end instruction at the end of the function body.
   const auto &TII = *MF.getSubtarget<WebAssemblySubtarget>().getInstrInfo();
-  if (!MF.getSubtarget<WebAssemblySubtarget>()
-           .getTargetTriple()
-           .isOSBinFormatELF())
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aheejin wrote:

This condition is a relic of the era that we didn't have our own wasm binary format and can be removed.

https://github.com/llvm/llvm-project/pull/107182