Fix Broken Links

Author: chiaramooney

docs/contribution_handling.md

@@ -6,7 +6,7 @@ The WinUI repo is intended as a place for the WinUI team to gather community fee
 
 Feature requests and bugs are tracked as GitHub issues.
 
-For reporting security issues please see the [Security Policy](SECURITY.md).
+For reporting security issues please see the [Security Policy](../SECURITY.md).
 
 For all other bugs and general issues please [file a new issue](https://github.com/Microsoft/microsoft-ui-xaml/issues/new/choose) using the Bug Report template.
 

docs/triage.md

@@ -67,7 +67,6 @@ We also need to monitor:
 
 1. New and re-opened issues get `needs-triage` label added
 1. `needs-triage` label is added whenever `team-...` labels change so that the new team sees the status change on the issue.
-1. If `feature proposal` is added or removed it gets added/removed from the [feature tracking project board](https://github.com/microsoft/microsoft-ui-xaml/projects/4) accordingly.
 1. If `declined` is added, bot adds a friendly message and closes.
 1. Tags issues/PR with release announcement.
 1. When moving into `Front Burner` column, gets added to the `API review` board.