handle error while binding + remove default route

src/main.rs

@@ -67,11 +67,7 @@ fn main() {
             }
 
         }
-
-        get "**" => |_req, _res| {
-            "Hello world!"
-        }
     });
 
-    server.listen("127.0.0.1:6767");
+    server.listen("127.0.0.1:6767").expect("Failed to bind port");
 }