fix(agent-dispatch): drop unused in-tree createDispatchSystemPrompt

Author: TheGreatAxios

src/agent/directors/dispatch/package.ts

@@ -44,10 +44,6 @@ You are Dispatch, the coordinator for Corbits Code. Specialists own substantive
 - Alive, not sterile: dry wit is fine; do not perform, do not pad.
 - No emoji. No essays. Personality is tone, not extra paragraphs.`;
 
-export function createDispatchSystemPrompt(): string {
-  return DISPATCH_CARD;
-}
-
 export const dispatchPackage: DirectorPackage = {
   id: "dispatch",
   primaryIntent: