Revert "agent: add Wake command - co-process self-wake via agent socket"

This reverts commit 68a9b8575b1647643c87bd753767acabf96528c3.

hive-c0re/src/agent_server.rs

@@ -188,20 +188,5 @@ async fn dispatch(req: &AgentRequest, agent: &str, coord: &Arc<Coordinator>) ->
                 },
             }
         }
-        AgentRequest::Wake { from, body } => {
-            // Deliver a message to this agent from a co-process (e.g. a
-            // Matrix daemon). Identical to `Send { to: agent }` but the
-            // recipient is always the owning agent — no routing needed.
-            match broker.send(&Message {
-                from: from.clone(),
-                to: agent.to_owned(),
-                body: body.clone(),
-            }) {
-                Ok(()) => AgentResponse::Ok,
-                Err(e) => AgentResponse::Err {
-                    message: format!("{e:#}"),
-                },
-            }
-        }
     }
 }