fix(pipeline.py): exclude control condition

Exclude control condition to ensure that a control vs control group is not calculated. Previous implementation took all groups, resulting in a non-sensical control vs control fold change.

Closes #19.

lta/helpers/pipeline.py

@@ -381,6 +381,7 @@ def run(self, control: str) -> None:
             for df in self.filtered.values()
         ]
         conditions = [val for mode in conditions for val in mode]
+        conditions = [val for val in conditions if val != control]
 
         for group in conditions:
             self.enfc = self._calculate_enfc((group, control))