Bug#861332: RM: linux-grsec-base/6

[Adrian Bunk]

Package: release.debian.org
Severity: normal
User: release.debian....@packages.debian.org
Usertags: rm

Similar to linux-grsec, linux-grsec-base should not be part
of stretch.

This removal request has been blessed by Yves-Alexis Perez.