remove ComposerContentLayout reference
remove ComposerContentLayout reference

That I can tell this is not need and gives errors on uninstall when working with packages that install defaultTemplate blocks.
TimDix/concrete5,TimDix/concrete5,MichaelMaar/concrete5,avdevs/concrete5,MichaelMaar/concrete5,TimDix/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,avdevs/concrete5,avdevs/concrete5,matt9mg/concrete5,matt9mg/concrete5