added date to python sdk 4.0.0 release notes

Author: mahour

src/pages/overview/pdf-services-api/gettingstarted.md

@@ -642,8 +642,6 @@ pip hash <download_dir>/pdfservices-sdk-4.0.0.tar.gz
 2.  Above command will return the hash of downloaded package.
 3.  Verify the hash matches the value published here.
 
-[//]: # (TODO Update hash value)
-
 ```
 9537bf4659d3e939b86f0d925dec2eafc1fc533d09c96674791389b09c88e8c9
 ```