target/arm: Drop unused AArch64DecodeTable typedefs

We removed the old table-based decoder in favour of decodetree, but
we left a couple of typedefs that are now unused; delete them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250128135046.4108775-1-peter.maydell@linaro.org
1 file changed