* gnu/services/networking.scm (pagekite-shepherd-service): Define
‘config-file’ and ‘mappings’; define ‘pagekite’ in terms of
‘least-authority-wrapper’. Remove now-unneeded ‘with-imported-modules’
form and ‘modules’ field. Use ‘make-forkexec-constructor’ instead of
‘make-forkexec-constructor/container’.
Change-Id: I7c6c6266785f6a0f81a69d85f070779a0d6edd91