DOC: fix unique_all extra whitespace in doctest

[skip actions][skip azp][skip cirrus]

Author: luxedo

numpy/lib/_arraysetops_impl.py

@@ -435,12 +435,11 @@ def unique_all(x):
 
     Examples
     --------
-    >>> np.unique_all([1, 1, 2])  # doctest: +NORMALIZE_WHITESPACE
-    UniqueAllResult(
-            values=array([1, 2]),
-            indices=array([0, 2]),
-            inverse_indices=array([0, 0, 1]),
-            counts=array([2, 1]))
+    >>> np.unique_all([1, 1, 2])
+    UniqueAllResult(values=array([1, 2]),
+                    indices=array([0, 2]),
+                    inverse_indices=array([0, 0, 1]),
+                    counts=array([2, 1]))
 
     """
     result = unique(