message will directly output the content in the message without typin…

…g the `Message:` (#1175)

## What have been changed
delete the debugger output `Message:`

## Issue mentioned
finish the open issue #1081.

## What will happen
message will directly output the content in the message without typing
the `Message:`

vscode/src/debugger/output.ts

@@ -7,7 +7,7 @@ export function createDebugConsoleEventTarget(out: (message: string) => void) {
   const eventTarget = new QscEventTarget(false);
 
   eventTarget.addEventListener("Message", (evt) => {
-    out(`Message: ${evt.detail}`);
+    out(evt.detail);
   });
 
   eventTarget.addEventListener("DumpMachine", (evt) => {