Use zc.recipe.egg instead of z3c.recipe.scripts

z3c.recipe.scripts can be bogus in certain conditions for Bob builds.

buildout.cfg

@@ -31,7 +31,7 @@ source = ${buildout:directory}/docs
 build = ${buildout:directory}/sphinx
 
 [python]
-recipe = z3c.recipe.scripts
+recipe = zc.recipe.egg
 eggs = ${buildout:eggs}
 interpreter = python
 dependent-scripts = true
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