Update festim/exports/derived_quantities/average_surface.py

Co-authored-by: Rémi Delaporte-Mathurin <40028739+RemDelaporteMathurin@users.noreply.github.com>

Author: jhdark

festim/exports/derived_quantities/average_surface.py

@@ -103,10 +103,4 @@ def compute(self):
         return avg_surf
 
 
-class AverageSurfaceSpherical(AverageSurface):
-    """
-    Computes the average on a spherical "surface" in 1D.
-    Behaves identically to `AverageSurface`.
-    """
-
-    pass
+AverageSurfaceSpherical = AverageSurface