RFR: 8218738: Remove dead code in Symbol and friends

[coleen.phillimore at oracle.com]

+1
Coleen

On 2/11/19 10:57 AM, Lois Foltan wrote:
> Looks good.
> Lois
>
> On 2/11/2019 9:58 AM, Claes Redestad wrote:
>> Hi,
>>
>> JDK-8218675 is removing the last use of Symbol::as_utf8_flexible_buffer.
>> This patch removes it, along with a few other methods, declarations etc
>> in the area which are also no longer in use.
>>
>> Webrev: http://cr.openjdk.java.net/~redestad/8218738/open.00/
>> Bug:    https://bugs.openjdk.java.net/browse/JDK-8218738
>>
>> Testing: tier1
>>
>> Thanks!
>>
>> /Claes
>