fix: a bug that error in the middleware occurs 404

.changeset/gorgeous-garlics-melt.md

@@ -0,0 +1,5 @@
+---
+'@builder.io/qwik': major
+---
+
+fix a bug that error in the middleware occurs 404

packages/docs/src/routes/demo/qwikcity/middleware/layout.tsx

@@ -8,8 +8,7 @@ export const onRequest: RequestHandler = async ({ next }) => {
       error &&
       typeof error === 'object' &&
       'message' in error &&
-      typeof error.message === 'string' &&
-      error.message == 'ERROR: Demonstration of an error response.'
+      typeof error.message === 'string'
     ) {
       // ignore this error
       return;