Remove the unused function tcg_out_addi() from the s390 TCG backend;
this brings it into line with other backends.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Acked-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>