Remove unused raise (#466)

Author: TimPansino

newrelic/api/import_hook.py

@@ -239,7 +239,6 @@ def find_spec(self, fullname, path=None, target=None):
 
         https://docs.python.org/3/library/importlib.html#importlib.abc.MetaPathFinder.find_spec
         """
-        # raise ValueError((name, path, target))
 
         # If not something we are interested in we can return.