[pkg] Fix doc-base section
As pointed by Lintian, the “Apps” section is only used in menu,
not in doc-base. We can just remove it.
missing-dep-for-interpreter make => make | build-essential | dpkg-dev (usr/*/cubicweb/skeleton/debian/rules)embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js