drop kexec-bzimage-verify-pe-signature-fix.patch

[Dave Young]

Hi,

Upstream tree has below commits recently:
commit ea93102f32244e3f45c8b26260be77ed0cc1d16c
Author: Yannik Sembritzki <yannik(a)sembritzki.me&gt;
Date:   Thu Aug 16 14:05:23 2018 +0100

    Fix kexec forbidding kernels signed with keys in the secondary keyring to boot
    
commit 817aef260037f33ee0f44c17fe341323d3aebd6d
Author: Yannik Sembritzki <yannik(a)sembritzki.me&gt;
Date:   Thu Aug 16 14:05:10 2018 +0100

    Replace magic for trusting the secondary keyring with #define

After a rebase below patch can be dropped:
kexec-bzimage-verify-pe-signature-fix.patch

Thanks
Dave