remove the old snapshot store; tombstone its options

hive-host-sock/src/lib.rs

@@ -263,23 +263,6 @@ pub enum HostRequest {
         parent: Option<String>,
         dest: String,
     },
-    /// Push a snapshot to the swarm's snapshot store over the WireGuard
-    /// mesh (`hivectl agent <name> subvol snapshot push`). The network
-    /// sibling of [`HostRequest::SendSnapshot`]: same snapshot and
-    /// optional incremental `parent`, but the stream goes to the store's
-    /// receiver instead of a local file.
-    ///
-    /// There is no destination field: a swarm has exactly one store, and
-    /// the daemon reads its address from
-    /// `services.hyperhive.swarm.snapshotStore`, failing if none is
-    /// configured. Bare success — nothing is written on this host to
-    /// report a path for.
-    PushSnapshot {
-        name: Ident,
-        label: String,
-        #[serde(default)]
-        parent: Option<String>,
-    },
 }
 
 /// One agent's btrfs qgroup usage row — the [`HostRequest::QuotaShow`]