Merge pull request numpy#26633 from luxedo/DOC/21351/matrix_transpose

DOC: fix `matrix_transpose` doctest

Author: mattip

numpy/_core/fromnumeric.py

@@ -731,7 +731,6 @@ def matrix_transpose(x, /):
     >>> np.matrix_transpose([[[1, 2], [3, 4]], [[5, 6], [7, 8]]])
     array([[[1, 3],
             [2, 4]],
-
            [[5, 7],
             [6, 8]]])