remove incorrect warnings from min/max documentation (pytorch#146725)

Fixes #ISSUE_NUMBER

Pull Request resolved: pytorch#146725
Approved by: https://github.com/wdvr, https://github.com/malfet

torch/_torch_docs.py

@@ -6454,9 +6454,6 @@ def merge_dicts(*dicts):
 
 Returns the maximum value of all elements in the ``input`` tensor.
 
-.. warning::
-    This function produces deterministic (sub)gradients unlike ``max(dim=0)``
-
 Args:
     {input}
 
@@ -7063,9 +7060,6 @@ def merge_dicts(*dicts):
 
 Returns the minimum value of all elements in the :attr:`input` tensor.
 
-.. warning::
-    This function produces deterministic (sub)gradients unlike ``min(dim=0)``
-
 Args:
     {input}