Remove non-random elements from key

src/freedombone-pass

 get_backup_key_id
 
 # Use the backups private key as a symmetric passphrase
-MASTER_PASSWORD=$(gpg -q --armor --export-secret-key $MY_BACKUP_KEY_ID)
+MASTER_PASSWORD=$(gpg -q --armor --export-secret-key $MY_BACKUP_KEY_ID | sed '/---/d' | sed '/Version/d' | sed '/^$/d')
 
 if [ ! $CURR_USERNAME ]; then
     echo $'No username given'