RFR: 8293340: Remove unused _code in {Zero,Template}InterpreterGenerator [v2]

[xpbob]

On Mon, 5 Sep 2022 01:32:48 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> xpbob has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   add zeroInterpreter
>
> LGTM

@DamonFool @shipilev 
Thanks for review,I have updated the title

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PR: https://git.openjdk.org/jdk/pull/10156