update scopes for github app

Author: Saurabhkmr98

self-hosting/govern/integrations/github.mdx

@@ -144,10 +144,7 @@ To configure GitHub integration, you'll need to create a GitHub App within your
 
     |Permission           |Access level    |Purpose|
     |---------|---------------------|-----------|
-    |Commit statuses|Read-only|Allows the GitHub app to read and update commit statuses, indicating whether a commit has passed checks (e.g., CI/CD pipelines).|
-    |Contents|Read and write|Grants access to read and modify repository contents, including reading files, creating commits, and updating files.|
     |Issues|Read and write|Enables reading, creating, updating, closing, and commenting on issues within the repository.|
-    |Merge queues|Read-only|Allows interaction with merge queues to manage the order of pull request merges.|
     |Metadata|Read-only|Provides read-only access to repository metadata, such as its name, description, and visibility.|
     |Pull requests|Read and write|Allows reading, creating, updating, merging, and commenting on pull requests.|