openpgp: Add a prelude file to import things related to certificates

  - Add `openpgp/src/cert/prelude.rs` to import most types and traits
    related to certificates.

  - Use it instead of using the types and traits individually.

1 files changed, 1 insertions, 1 deletions

diff --git a/tool/src/commands/key.rs b/tool/src/commands/key.rs
index afca59f1..b463214e 100644
--- a/tool/src/commands/key.rs
+++ b/tool/src/commands/key.rs
@@ -5,7 +5,7 @@ use itertools::Itertools;
 use std::time::{SystemTime, Duration};
 
 use crate::openpgp::Packet;
-use crate::openpgp::cert::{CertBuilder, CipherSuite};
+use crate::openpgp::cert::prelude::*;
 use crate::openpgp::types::KeyFlags;
 use crate::openpgp::armor::{Writer, Kind};
 use crate::openpgp::serialize::Serialize;