Revert "Fix call to unimplemented unset_weighting method"

This reverts commit 2638580.

Author: samronsin

dataikuapi/dss/ml.py

@@ -463,8 +463,7 @@ def remove_sample_weighting(self):
         Deprecated. Use unset_weighting() instead
         """
         warnings.warn("remove_sample_weighting() is deprecated, please use set_weigthing(method=\"NO_WEIGHTING\") instead", DeprecationWarning)
-        return self.set_weigthing(method="NO_WEIGHTING")
-
+        return self.unset_weighting()
 
 class DSSClusteringMLTaskSettings(DSSMLTaskSettings):
     __doc__ = []