Remove unused imports

Source/build/scripts/make_runtime_features.py

 #!/usr/bin/env python
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-import os.path
 import sys
 
-from in_file import InFile
 import in_generator
 from name_utilities import lower_first
 import template_expander
 
 
 class RuntimeFeatureWriter(in_generator.Writer):
     class_name = 'RuntimeEnabledFeatures'
 
     # FIXME: valid_values and defaults should probably roll into one object.
     valid_values = {
@@ skipping 39 matching lines @@
     @template_expander.use_jinja(class_name + ".cpp.tmpl")
     def generate_implementation(self):
         return {
             'features': self._features,
             'feature_sets': self._feature_sets(),
         }
 
 
 if __name__ == "__main__":
     in_generator.Maker(RuntimeFeatureWriter).main(sys.argv)