Removed buildout requirements

MANIFEST.in

-include README.rst buildout.cfg develop.cfg COPYING version.txt requirements.txt test-requirements.txt
+include README.rst COPYING
 recursive-include doc *.py *.rst
 recursive-include bob/bio/vein/tests *.png *.txt *.hdf5

buildout.cfg

-; vim: set fileencoding=utf-8 :
-; Fri 19 Aug 2016 13:22:13 CEST
-
-[buildout]
-parts = scripts
-eggs = bob.bio.vein
-
-extensions = bob.buildout
-develop = .
-
-newest = false
-verbose = true
-
-[scripts]
-recipe = bob.buildout:scripts
-dependent-scripts = true