delete preopen app port

Author: hephaex

python-kaldi/Dockerfile.py38-cuda11.1

@@ -38,9 +38,7 @@ LABEL ai.backend.kernelspec="1" \
       ai.backend.resource.min.cuda.shares=0 \
       ai.backend.runtime-type="python" \
       ai.backend.runtime-path="/usr/bin/python3" \
-      ai.backend.service-ports="ipython:pty:3000,jupyter:http:8080,jupyterlab:h\
-ttp:8090,vscode:http:8180,tensorboard:http:6006,mlflow-ui:preopen:5000,nniboard\
-:preopen:8080"
+      ai.backend.service-ports="ipython:pty:3000,jupyter:http:8080,jupyterlab:http:8090,vscode:http:8180,tensorboard:http:6006"
 
 WORKDIR /home/work
 # vim: ft=dockerfile