Removed dev requirements file - not really needed

requirements-dev.txt

@@ -1,13 +0,0 @@
-Pygments==1.4
-Werkzeug==0.6.2
-django-debug-toolbar==0.8.4
-django-extensions==0.5
-ipdb==0.2
-ipython==0.10.1
-wsgiref==0.1.2
-flake8==0.8
-pysolr==2.0.13
-PyZen==0.3.1
-mock==0.7.0
-twill==0.9
--e git://github.com/AndrewIngram/django-extra-views.git@0f10416082c174275836a37141ce797b6caa2896#egg=django_extra_views-0.1.0-py2.6-dev