Update app.py

Just one example is enough. Also used default_concurrency_limit parameter for queue()

app.py

@@ -79,13 +79,7 @@ def generate(
 
 
 examples = [
-    "a cat eating a piece of cheese",
-    "a ROBOT riding a BLUE horse on Mars, photorealistic",
-    "a cartoon of a IRONMAN fighting with HULK, wall painting",
-    "a cute robot artist painting on an easel, concept art",
-    "Astronaut in a jungle, cold color palette, oil pastel, detailed, 8k",
-    "An alien grasping a sign board contain word 'Flash', futuristic, neonpunk, detailed",
-    "Kids going to school, Anime style"
+    "an icon for a creative APP"
 ]
 
 css = '''
@@ -197,4 +191,4 @@ with gr.Blocks(css=css) as demo:
     )
 
 if __name__ == "__main__":
-    demo.queue(max_size=50).launch(show_api=True)
+    demo.queue(default_concurrency_limit=25).launch(show_api=True)