Remove Apptainer configuration as the defaults are now sensible.

The default Apptainer configuration is now sensible and RAL can run with the defaults. Also the configuration syntax has changed causing the `sed` statement to incorrectly change some config lines

Author: jnc74743

docker-c8/Dockerfile

@@ -67,10 +67,3 @@ RUN dnf -y update && \
 
 # Create all possible pool accounts
 RUN curl -s https://raw.githubusercontent.com/stfc/grid-workernode/master/resources/pool_accounts/create.sh | bash -
-
-# Disable overlay and loop device management in Apptainer
-RUN sed -i '/enable overlay/c\enable overlay = no' /etc/apptainer/apptainer.conf && \
-    sed -i '/enable underlay/c\enable underlay = yes' /etc/apptainer/apptainer.conf && \
-    sed -i '/max loop devices/c\max loop devices = 0' /etc/apptainer/apptainer.conf && \
-    # Deny setuid in Apptainer
-    sed -i '/allow setuid/c\allow setuid = no' /etc/apptainer/apptainer.conf

docker-c9/Dockerfile

@@ -67,10 +67,3 @@ RUN dnf -y update && \
 
 # Create all possible pool accounts
 RUN curl -s https://raw.githubusercontent.com/stfc/grid-workernode/master/resources/pool_accounts/create.sh | bash -
-
-# Disable overlay and loop device management in Apptainer
-RUN sed -i '/enable overlay/c\enable overlay = no' /etc/apptainer/apptainer.conf && \
-    sed -i '/enable underlay/c\enable underlay = yes' /etc/apptainer/apptainer.conf && \
-    sed -i '/max loop devices/c\max loop devices = 0' /etc/apptainer/apptainer.conf && \
-    # Deny setuid in Apptainer
-    sed -i '/allow setuid/c\allow setuid = no' /etc/apptainer/apptainer.conf