RFR(T) 8251559 Remove empty file utilities/sizes.cpp

[calvin.cheung at oracle.com]

Hi Ioi,

The removal of the file seems fine.

thanks,

Calvin

On 8/13/20 6:55 PM, Ioi Lam wrote:
> https://bugs.openjdk.java.net/browse/JDK-8251559
>
> Please review this trivial fix -- This file has no contents other than 
> #includes, so it should be removed.
>
> (no webrev since it's just simple removal)
>
> Thanks
> - Ioi