Remove createrepo references from doc and spec

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

doc/contributing.rst

@@ -9,7 +9,6 @@ Set up development environment
 In order to work on *Pungi*, you should install recent version of *Fedora*.
 These packages will have to installed:
 
- * createrepo
  * createrepo_c
  * cvs
  * gcc
@@ -57,7 +56,7 @@ preferably from PyPI or from tarball. You will still need to install all of the
 packages above as they are used by calling an executable. ::
 
     $ mkvirtualenv pungienv
-    $ for pkg in createrepo gi libcomps pykickstart rpmUtils selinux urlgrabber yum; do ln -vs "$(deactivate && python -c 'import os, '$pkg'; print(os.path.dirname('$pkg'.__file__))')" "$(virtualenvwrapper_get_site_packages_dir)"; done
+    $ for pkg in gi libcomps pykickstart rpmUtils selinux urlgrabber yum; do ln -vs "$(deactivate && python -c 'import os, '$pkg'; print(os.path.dirname('$pkg'.__file__))')" "$(virtualenvwrapper_get_site_packages_dir)"; done
     $ for pkg in _deltarpm krbV _selinux deltarpm sqlitecachec _sqlitecache; do ln -vs "$(deactivate && python -c 'import os, '$pkg'; print('$pkg'.__file__)')" "$(virtualenvwrapper_get_site_packages_dir)"; done
     $ pip install -U pip
     $ PYCURL_SSL_LIBRARY=nss pip install pycurl --no-binary :all:

pungi.spec

@@ -11,7 +11,7 @@ BuildRequires:  python-nose, python-mock
 BuildRequires:  python-devel, python-setuptools, python2-productmd
 BuildRequires:  python-lockfile, kobo, kobo-rpmlib, python-kickstart, createrepo_c
 BuildRequires:  python-lxml, libselinux-python, yum-utils, lorax
-BuildRequires:  yum => 3.4.3-28, createrepo >= 0.4.11
+BuildRequires:  yum => 3.4.3-28
 BuildRequires:  gettext, git-core, cvs
 BuildRequires:  python-jsonschema
 BuildRequires:  python-enum34
@@ -22,7 +22,6 @@ BuildRequires:  python2-six
 BuildRequires:  python2-multilib
 BuildRequires:  python2-dogpile-cache
 
-Requires:       createrepo >= 0.4.11
 Requires:       yum => 3.4.3-28
 Requires:       lorax >= 22.1
 Requires:       repoview