Merge profile docs followup (#12417) from 3.1

diff --cc Doc/library/profile.rst
Simple merge

diff --cc Doc/license.rst
Simple merge

diff --cc Lib/pstats.py
index 8a025cdc544a67d6d686042c171d969a4d13632c,74360e38dbccb3976414dfeda2d78b5e226e9ec5..3f0add2c65e6ea567d0f4232f0336634268f7b8f
--- 1/Lib/pstats.py
--- 2/Lib/pstats.py
+++ b/Lib/pstats.py
@@@ -6,11 -4,9 +4,9 @@@
  # Based on prior profile module by Sjoerd Mullender...
  #   which was hacked somewhat by: Guido van Rossum
  
- """Class for profiling Python code."""
- 
  # Copyright Disney Enterprises, Inc.  All Rights Reserved.
  # Licensed to PSF under a Contributor Agreement
 -# 
 +#
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at