The new version requires the SSL package from Python >= 2.7.9.

This reverts commit d5711017707b8e0e8a75c2e0b535fd73b8d78c6c.

* gnu/packages/openssl.scm (openssl, perl-net-ssleay): Move to...
* gnu/packages/tls.scm: ...here.
* gnu/packages/openssl.scm: Delete file.
* gnu-system.am (GNU_SYSTEM_MODULES): Unregister deleted file.
* gnu/packages/{admin.scm, bittorrent.scm, certs.scm, ci.scm,
  cyrus-sasl.scm, databases.scm, dns.scm, ebook.scm, enlightenment.scm,
  gnunet.scm, libreoffice.scm, links.scm, mail.scm, messaging.scm,
  networking.scm, ntp.scm, openldap.scm, package-management.scm, pdf.scm,
  python.scm, qt.scm, rdesktop.scm, rdf.scm, ruby.scm, ssh.scm,
  synergy.scm, tor.scm, version-control.scm, video.scm, vpn.scm,
  w3m.scm, web.scm, weechat.scm, xiph.scm}: Adapt module import.

* gnu/packages/ebook.scm (calibre): Update to 2.30.0.

* gnu/packages/ebook.scm (calibre): Update to 2.29.0. Add input openssl.

* gnu/packages/ebook.scm (calibre): Update to 2.28.0.

* gnu/packages/ebook.scm: Do not import (gnu packages ebook).

* gnu/packages/ebook.scm (calibre): Update to 2.25.0.

* gnu/packages/ebook.scm (calibre): Update to 2.24.0.

* gnu/packages/ebook.scm (calibre): Update to 2.23.0.

* gnu/packages/patches/calibre-no-updates-dialog.patch: New file.
* gnu-system.am (dist_patch_DATA): Register patch.
* gnu/packages/ebook.scm (calibre): Use patch.