change gallery view and queing system

app.py

@@ -73,6 +73,9 @@ step_button = gr.Slider(
 
 gallery = gr.Gallery(
     columns=4,
+    allow_preview=False,
+    show_download_button=False,
+    show_share_button=False,
     label="""
         Generated Flowers
     """
@@ -135,4 +138,4 @@ demo = gr.Interface(
     """,
 )
 
-demo.queue().launch()
+demo.queue(default_concurrency_limit=None).launch()