unnecessary mask arg

Author: jbrockmendel

pandas/core/arrays/datetimelike.py

@@ -1272,7 +1272,7 @@ def min(self, axis=None, skipna=True, *args, **kwargs):
                 result = result.to_period(self.freq)
             return result
 
-        result = nanops.nanmin(self._ndarray, skipna=skipna)
+        result = nanops.nanmin(self._ndarray, axis=axis, skipna=skipna)
         if lib.is_scalar(result):
             return self._box_func(result)
         return self._from_backing_data(result)
@@ -1299,7 +1299,7 @@ def max(self, axis=None, skipna=True, *args, **kwargs):
                 result = result.to_period(self.freq)
             return result
 
-        result = nanops.nanmax(self._ndarray, skipna=skipna)
+        result = nanops.nanmax(self._ndarray, axis=axis, skipna=skipna)
         if lib.is_scalar(result):
             return self._box_func(result)
         return self._from_backing_data(result)