Update Dockerfile

Dockerfile

@@ -3,10 +3,6 @@ RUN useradd -m -u 1000 user
 RUN chown root:shadow /etc/shadow
 RUN apt update
 RUN apt install xfce4-terminal lxqt lightdm xfce4-goodies xfce4-appmenu-plugin xfce4-eyes-plugin xfce4-indicator-plugin xfce4-mpc-plugin  aqemu sudo curl wget aria2 qemu-system-x86 htop chromium screen tigervnc-standalone-server python3-pip python3-websockify python3 git fuse libfuse2 -y
-RUN apt remove xscreensaver-data --no-install-recommends -y
-RUN apt remove xscreensaver --no-install-recommends -y
-RUN apt remove light-locker --no-install-recommends -y
-RUN apt autoclean --no-install-recommends && apt autoremove --no-install-recommends
 RUN sed -i '/@xscreensaver -no-splash/d' /etc/xdg/lxsession/LXDE/autostart
 RUN git clone https://github.com/novnc/noVNC.git noVNC
 RUN mkdir -p /home/user/.vnc