crypto: Remove markers Verified and Unverified

These are now unused in heartwood.

crates/radicle-crypto/src/lib.rs

@@ -15,13 +15,6 @@ pub mod ssh;
 #[cfg(any(test, feature = "test"))]
 pub mod test;
 
-/// Verified (used as type witness).
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize)]
-pub struct Verified;
-/// Unverified (used as type witness).
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-pub struct Unverified;
-
 /// Output of a Diffie-Hellman key exchange.
 pub type SharedSecret = [u8; 32];
 

crates/radicle/src/lib.rs

@@ -42,7 +42,7 @@ pub use storage::git::Storage;
 pub mod prelude {
     use super::*;
 
-    pub use crypto::{PublicKey, Verified};
+    pub use crypto::PublicKey;
     pub use git::BranchName;
     pub use identity::{project::Project, Did, Doc, RawDoc, RepoId};
     pub use node::{Alias, NodeId, Timestamp};