Remove not needed parameter.

cml/domain/deconstruction/z_sigma.py

@@ -34,7 +34,7 @@ class ZSigmaDeconstructor(Abstract):
 
         """
         if self.time_constraint(relative):
-            overlapping = self.identify_overlapping_features(relative)
+            overlapping = self.identify_overlapping_features()
             if self.column_constraint(overlapping):
                 meta_model = self.model_fusion(relative)
 
@@ -115,15 +115,10 @@ class ZSigmaDeconstructor(Abstract):
             relative_m_dash_time
         )
 
-    def identify_overlapping_features(self, relative):
-        """Build learnblock on basis the feature intersection of two other
+    def identify_overlapping_features(self):
+        """Build learnblock on basis of the feature intersection of two other
         learnblocks.
 
-
-        Args:
-            relative (PragmaticMachineLearningModel): Relative of deconstrucing
-                model.
-
         Returns:
             PandasBlock:
                 Learnblock