RFR(xs): 8245970: IntStream.html#reduce doc should not mention average

[James Laskey]

+1

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> On May 29, 2020, at 6:05 AM, Conor Cleary <conor.cleary at oracle.com> wrote:
> 
> Hi,
> 
> The method-level documentation of Intstream::reduce(int, IntBinaryOperator) mentions the average function as a case of reduction even though the function cannot be used with the reduce method. This might cause confusion, this fix therefore removes the mention of the average function from the @apiNote.
> 
> bug: https://bugs.openjdk.java.net/browse/JDK-8245970
> webrev: http://cr.openjdk.java.net/~jboes/ccleary/webrevs/8242281/webrev.00/
> 
> Regards,
> Conor
>