message: Remove unused trap_unimplemented_ret_value
diff: @@ -68,14 +68,3 @@ pub(crate) fn trap_unimplemented(fx: &mut FunctionCx<'_, '_, impl Module>, msg:
  fx.bcx.ins().trapnz(true_, TrapCode::User(!0));
  }
  -/// Like `trap_unimplemented` but returns a fake value of the specified type.
  -///
  -/// Trap code: user65535
  -pub(crate) fn trap_unimplemented_ret_value<'tcx>(
  - fx: &mut FunctionCx<'_, 'tcx, impl Module>,
  - dest_layout: TyAndLayout<'tcx>,
  - msg: impl AsRef<str>,
  -) -> CValue<'tcx> {
  - trap_unimplemented(fx, msg);
  - CValue::by_ref(Pointer::const_addr(fx, 0), dest_layout)
  -}
  