UI: remove label

Author: EtronieDENG

examples/project/resize/src/graph/resize.toml

@@ -27,9 +27,9 @@ dir=""
 [graph]
 format = "graphviz"
 graphconf = '''digraph graph_resize {
-  video_input[type=flowunit, flowunit=video_input, device=cpu, deviceid=0, label="<out_video_url>", repeat=20, source_url="/xxx/xxx.mp4"]
-  videodemuxer[type=flowunit, flowunit=video_demuxer, device=cpu, deviceid=0, queue_size_event=1000, label="<in_video_url> | <out_video_packet>"] 
-  videodecoder[type=flowunit, flowunit=video_decoder, device=cuda, deviceid=0, label="<in_video_packet> | <out_video_frame>", pix_fmt="nv12"]
+  video_input[type=flowunit, flowunit=video_input, device=cpu, deviceid=0, repeat=20, source_url="/xxx/xxx.mp4"]
+  videodemuxer[type=flowunit, flowunit=video_demuxer, device=cpu, deviceid=0, queue_size_event=1000, ] 
+  videodecoder[type=flowunit, flowunit=video_decoder, device=cuda, deviceid=0, pix_fmt="nv12"]
   output1[type=output]  
   video_input:out_video_url -> videodemuxer:in_video_url
   videodemuxer:out_video_packet -> videodecoder:in_video_packet