enabler: Update Containerfile naming

internal-lab-setup-assets/Containerfile

@@ -23,7 +23,7 @@ RUN export PATH=$PATH:/sbin:/usr/sbin
 # Set the user's password via environment variable. Passwords must be set
 # to allow login.
 # Note: These variable was pre-defined by the lab orchestrator
-ENV CX23_LAB_PASSWORD=
+ENV LONI_LAB_PASSWORD=
 
 # Create an RSA key, required for SSH server.
 RUN ssh-keygen -A
@@ -35,9 +35,8 @@ RUN mkdir -p /run/sshd
 EXPOSE 22
 
 # Prepare post-init script.
-COPY ./workshop-init.sh /workshop-init.sh
-COPY ./lab-makefile-for-bug /Makefile
+COPY workshop-init.sh /
 RUN chmod +x /workshop-init.sh
 
-# Configure sshd as root process. If sshd terminates for some reason, the container will too.
+# This shell script, among other things, results with sshd as the root process. If sshd terminates for some reason, the container will too.
 ENTRYPOINT ["/workshop-init.sh"]