docker build for master with tag latest; accounting for /etc/apt/sources change in latest ubuntu

Author: Ubuntu

.github/workflows/dev_staging-docker-image.yml

@@ -3,7 +3,6 @@ FROM tensorflow/tensorflow:2.8.2-gpu
 
 #key signing issue with cuda repo can be fixed by removing from apt sources and re-adding in apt-get update 
 RUN rm /etc/apt/sources.list.d/cuda.list
-RUN rm /etc/apt/sources.list.d/nvidia-ml.list
 
 # Set the working directory
 WORKDIR /scratch