copr-keygen: fix using of backup key

Do not require the key to be imported in keyring.

roles/copr/keygen/files/backup_keyring.sh

@@ -10,7 +10,7 @@ OUTPUT_FILE="$BACKUP_DIR/copr_keygen_keyring_$(date -I).tar.gz.gpg"
 
 tar --exclude="*agent*" -czPf - "$PATH_TO_KEYRING_DIR" \
     | gpg2 --output "$OUTPUT_FILE".tmp --encrypt \
-           --recipient copr-keygen-backup-key --always-trust \
+           --recipient-file /root/backup_key.asc \
 && mv "$OUTPUT_FILE.tmp" "$OUTPUT_FILE"
 
 # shell pattern matching provides sorted output

roles/copr/keygen/tasks/setup_backup.yml

@@ -4,11 +4,6 @@
 
 - name: copy pubkey for backup encryption
   copy: src="{{ private }}/files/copr/keygen/backup_key.asc" dest="/root/backup_key.asc"
-  register: pub_key_installed
-
-- name: import pubkey for backup encryption
-  shell: gpg2 --import /root/backup_key.asc creates=/root/backupkeyimported
-  when: pub_key_installed.changed
 
 - name: copy backup script
   copy: src="backup_keyring.sh" dest="/etc/cron.hourly/backup_keyring.sh" owner=root group=root mode=755