RFR: 8292914: Drop the counter from lambda class names [v6]

[ExE Boss]

On Thu, 16 Feb 2023 20:02:36 GMT, David M. Lloyd <duke at openjdk.org> wrote:

>> src/java.base/share/classes/java/lang/invoke/ProxyClassesDumper.java line 124:
>> 
>>> 122:             }
>>> 123:         }
>>> 124:         sb.append(counter.incrementAndGet());
>> 
>> Suggestion:
>> 
>>         sb.append('$').append(counter.incrementAndGet());
>
> The Lamdba class name already ends in `$` - is there a reason we'd need a second one when dumping?

I suggested removing it in: https://github.com/openjdk/jdk/pull/12579#discussion_r1108941733

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PR: https://git.openjdk.org/jdk/pull/12579