RFR: 8223804: [macos] remove obsoleted reference to security framework in launcher code

[Roger Riggs]

Hi Phil,

Looks fine.

Roger


On 05/16/2019 03:30 PM, Phil Race wrote:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8223804
> Webrev: http://cr.openjdk.java.net/~prr/8223804/
>
> This is a small cleanup fix.
> When doing a previous launcher fix : 
> https://bugs.openjdk.java.net/browse/JDK-8222819
> I failed to check if the removal there meant there were now unused 
> imports in the
> affected source file. There was one. And it seems there is also no 
> longer a need to link
> against the Security framework either.
>
> -phil.