Revert "fix: Emit acquire fence before loading final field (scala…

…-native#3699)"

This reverts commit 6cc47a3.

tools/src/main/scala/scala/scalanative/codegen/Lower.scala

@@ -594,15 +594,10 @@ object Lower {
           throw new LinkingException(s"Metadata for field '$name' not found")
       }
 
-      // No explicit memory order for load of final field,
-      // all final fields are loaded after a acquire fence
       val memoryOrder =
         if (field.attrs.isVolatile) nir.MemoryOrder.SeqCst
+        else if (field.attrs.isFinal) nir.MemoryOrder.Acquire
         else nir.MemoryOrder.Unordered
-
-      // Acquire memory fence before loading a final field
-      if (field.attrs.isFinal) buf.fence(nir.MemoryOrder.Acquire)
-
       val elem = genFieldElemOp(buf, genVal(buf, obj), name)
       genLoadOp(buf, n, nir.Op.Load(ty, elem, Some(memoryOrder)))
     }