RFR: 8247957: remove doclint support for HTML 4 [v2]

[Yoshiki Sato]

On Tue, 15 Dec 2020 09:20:44 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Yoshiki Sato has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8257204 and 8256313
>>   8257204: Remove usage of -Xhtmlversion option from javac
>>   8256313: JavaCompilation.gmk needs to be updated not to use --doclint-format html5 option
>
> Build change look fine. I have not looked at the other changes.

I found an issue when called from javac, so will convert to draft until the issue resolved.

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PR: https://git.openjdk.java.net/jdk/pull/893