Remove duplicate tool execution display from pretty-print listener

The on-request handler was printing all tool executions from the request,
which included loaded session history, causing duplication.
Tool executions are now only shown inline in the session history display.

Author: Bruce Hauman

src/clojure_mcp/prompt_cli.clj

@@ -188,9 +188,8 @@
   []
   (listener/create-listener
    {:on-request (fn [req]
-                  (when-let [messages (:messages req)]
-                    (when-let [executions (extract-tool-executions messages)]
-                      (print-tool-executions executions))))
+                  ;; Don't print tool executions here - they're shown inline in session history
+                  nil)
     :on-response (fn [resp]
                    (when-let [ai-message (:ai-message resp)]
                      (when-let [text (:text ai-message)]