Please drop xfce.mk

This bug was fixed in the package cdbs - 0.4.56ubuntu1

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cdbs (0.4.56ubuntu1) karmic; urgency=low

  * Merge with Debian unstable. Remaining Ubuntu changes:
    - Add 1/class/kde4.mk.in: Generic KDE4 build rules. Install it in
      Makefile.am.
    - Add 1/rules/langpack.mk.in: Generic langpack related tasks: Build POT
      files and add X-Ubuntu-Gettext-Domain to .desktop/.server/.directory
      files. Install file in Makefile.am. Add intltool dependency for this.
    - Add 1/rules/clean-la.mk.in: Remove dependency_libs lines from .la files.
      Install it in Makefile.am.
    - 1/class/kde.mk.in:
      + Call dh_icons and bump autogenerated debhelper build dependency
        appropriately.
      + Add --without-arts to standard configure flags, since it is
        deprecated.
      + build POT file, and add X-Ubuntu-Gettext-Domain to .desktop files.
    - 1/rules/debhelper.mk.in:
      + Do not install upstream changelogs by default. They are huge and thus
        waste a lot of archive and CD space, quite uninteresting for ordinary
        users, and easy to get by downloading the source package or visiting the
        upstream page pointed out in copyright.
      + Symlink /usr/share/doc/ files to identical versions in any depending
        package which is built by the source package (except copyright, to
        adhere to Debian Policy). This can be disabled by setting
        $CDBS_NO_DOC_SYMLINKING.
      + Symlink identical Gnome help files (like untranslated images). This
        can be disabled by setting $CDBS_NO_GNOME_HELP_SYMLINKING. Add fdupes
        dependency for this.
    - 1/class/gnome.mk.in:
      + Include langpack.mk.
      + Check if $DEB_BUILDDIR actually exists before cd'ing to it.
    - 1/class/python-distutils.mk.in:
      + Supply --install-layout=deb install argument, to install files into
        /usr instead of /usr/local/.
      + Rename dist-packages/ to site-packages/ again, so that packages which
        expect setup.py to install to site-packages/ and depend on that in
        their dh_install files don't break. dh_py* will take care of the final
        renaming.
    - 1/class/autotools-files.mk.in: Add -i option when calling libtoolize to
      install missing files. (Debian #525849)
    - ant.mk (ant-sanity-check): Allow JAVACMD to include options.
      (Debian #520105)
    - 1/rules/simple-patchsys.mk.in: Revert the change for Debian bug #387103
      that causes patches to be unapplied before cleaning the build directory;
      the original issue was addressed more thoroughly in 0.4.49 with a fix
      for Debian bug #424080, and unpatch-before-clean breaks some relevant
      use cases that involve patching of build systems. (Debian #494254)
    - debian/control: Drop kaffe build-dep since it is not in main.
    - test/testsuite_functions: Set NO_PKG_MANGLE so that tests do not fail
      with pkgstriptranslations installed.
  * Drop xfce.mk, not used any more. (LP: #254048)
  * Stop hardcoding Python versions, to not break the tests if a new version
    is added or one dropped: (Debian #525855)
    - debian/control: Drop hardcoded python2.x-dev build dependencies,
      replace...