cleanup setup-eggs.

component/python-cliff/buildout.cfg

@@ -3,10 +3,5 @@
 [python-cliff]
 recipe = zc.recipe.egg:custom
 egg = cliff
-setup-eggs = ${python-cliff-prep:eggs}
-
-[python-cliff-prep]
-recipe = zc.recipe.egg
-eggs =
+setup-eggs =
   pbr
-

component/python-cryptography/buildout.cfg

@@ -11,18 +11,10 @@ parts =
 recipe = zc.recipe.egg:custom
 egg = cryptography
 environment = python-cryptography-env
-setup-eggs = ${python-cryptography-prep:eggs}
+setup-eggs = ${python-cffi:egg}
 
 [python-cryptography-env]
 PATH = ${pkgconfig:location}/bin:%(PATH)s
 PKG_CONFIG_PATH = ${openssl:location}/lib/pkgconfig
 LD_LIBRARY_PATH = ${openssl:location}/lib
 CPATH = ${openssl:location}/include
-
-[python-cryptography-prep]
-recipe = zc.recipe.egg
-eggs =
-  ${python-cffi:egg}
-  enum34
-  pycparser
-  six