clean up

pypeit/spectrographs/keck_hires.py

@@ -207,27 +207,6 @@ def compound_meta(self, headarr, meta_key):
         else:
             msgs.error("Not ready for this compound meta")
 
-
-    def config_independent_frames(self):
-        """
-        Define frame types that are independent of the fully defined
-        instrument configuration.
-
-        This method returns a dictionary where the keys of the dictionary are
-        the list of configuration-independent frame types. The value of each
-        dictionary element can be set to one or more metadata keys that can
-        be used to assign each frame type to a given configuration group. See
-        :func:`~pypeit.metadata.PypeItMetaData.set_configurations` and how it
-        interprets the dictionary values, which can be None.
-
-        Returns:
-            :obj:`dict`: Dictionary where the keys are the frame types that
-            are configuration-independent and the values are the metadata
-            keywords that can be used to assign the frames to a configuration
-            group.
-        """
-        return {'bias': 'binning', 'dark': 'binning'}
-
     def configuration_keys(self):
         """
         Return the metadata keys that define a unique instrument

pypeit/spectrographs/vlt_xshooter.py

@@ -101,7 +101,7 @@ def config_independent_frames(self):
             keywords that can be used to assign the frames to a configuration
             group.
         """
-        return {'bias': 'arm', 'dark': 'arm'}
+        return {}
 
     def configuration_keys(self):
         """