fix: remove unnecessary, unrelated change

Author: oesteban

nitransforms/base.py

@@ -303,10 +303,6 @@ def apply(
 
         return resampled
 
-    def __matmul__(self, b):
-        """Compose with a transform on the right."""
-        return b
-
     def map(self, x, inverse=False):
         r"""
         Apply :math:`y = f(x)`.