Dockerfile updated

Dockerfile

-FROM nvidia/cuda:11.5.1-cudnn8-devel-ubuntu20.04 as base-ros-gpu
+FROM nvidia/cuda:11.7.1-cudnn8-devel-ubuntu20.04 as base-ros-gpu
 SHELL ["/bin/bash", "-c"]
 WORKDIR /
 RUN echo "Setting up timezone..." && \
     echo 'Etc/UTC' > /etc/timezone && \
     ln -s /usr/share/zoneinfo/Etc/UTC /etc/localtime
 
+# Avoid update of CUDA package
+RUN rm /etc/apt/sources.list.d/cuda.list
+# RUN rm /etc/apt/sources.list.d/nvidia-ml.list
+
 RUN echo "Installing Python and Pytorch..." && \
     apt-get update && \
     apt-get install -q -y --no-install-recommends \
@@ -61,10 +65,7 @@ FROM ros-socialmpc as behavior-generator
 RUN groupadd -r ros && useradd -r -g ros ros
 RUN chown -R ros:ros /home/ros
 USER ros
-# MPC Navigation : Alex
 ADD --chown=ros:ros src/robot_behavior /home/ros/robot_behavior_ws/src/robot_behavior
-# DRL Navigation : Victor Sanchez
-ADD --chown=ros:ros src/drl-navigation /home/ros/robot_behavior_ws/src/drl_navigation
 WORKDIR /home/ros/robot_behavior_ws/
 ADD src/spring_msgs src/spring_msgs
 ADD src/hri_msgs src/hri_msgs