Fixed pgp issue on blackarch packages.

Apparently, some mirrors are out of date. If this doesn't work, re-run strap.sh before the rm -rf step.

deployments/pentest.json

@@ -24,6 +24,9 @@
         "Configure pentest environment" : {
             "curl -O https://blackarch.org/strap.sh" : null,
             "chmod +x strap.sh" : null,
+            "rm -rf /etc/pacman.d/gnupg" : null,
+            "pacman-key --populate" : null,
+            "pacman-key --update" : null,
             "sudo ./strap.sh" : {"debug" : true},
             "touch /mnt/etc/openvpn/client/customer.conf" : {"no-chroot" : true},
             "sed -i 's/After=network.target/After=openvpn-client@customer.service\n&/' /mnt/usr/lib/systemd/system/sshd.service" : {"no-chroot" : true},