git: openjdk/jdk-sandbox: jep486: Remove unused static variable NEW_PROXY_IN_PKG.

[duke]

Changeset: 3dbf6842
Branch: jep486
Author:    Sean Mullan <sean.mullan at oracle.com>
Date:      2024-10-23 18:05:27 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/3dbf684263a75470b85a95b9446a44ceb99c4b3a

Remove unused static variable NEW_PROXY_IN_PKG.

! test/jdk/java/lang/reflect/Proxy/nonPublicProxy/NonPublicProxyClass.java