default: remove 'format' option

slapos/recipe/build/__init__.py

@@ -233,7 +233,6 @@ class Script(EnvironMixin):
     except KeyError:
       self.options['location'] = os.path.join(
         buildout['buildout']['parts-directory'], self.name)
-    self._format = options.get('format', 'yes') in TRUE_LIST
     missing = True
     keys = 'init', 'install', 'update'
     for option in keys:
@@ -255,7 +254,7 @@ class Script(EnvironMixin):
 
   def _exec(self, script):
     options = self.options
-    exec(script % options if self._format else script, dict(GLOBALS,
+    exec(script, dict(GLOBALS,
       self=self,
       options=options,
       location=options['location'],