Update beta-releasenotes.md

Author: pawan-mehta-dt

beta-releasenotes.md

@@ -14,8 +14,6 @@
 - fix: handled case for failed type assertion (#3208)
 ## Enhancements
 - Feat: Added observability for logged in user (#3204)
-## Documentation
 ## Others
 - chore: Discord notification for pager duty label issues  (#3265)
-- chore: Discord notification for a specific label (pager-duty) (#3249)
 - fix  - handled nil pointer access, fixed not null constraint for git material deletion (#3199)