Decouple context from repository related structs (#33823)

Calls that required context implicitly are made to pass it as argument

services/org/user.go

@@ -64,7 +64,7 @@ func RemoveOrgUser(ctx context.Context, org *organization.Organization, user *us
 	if err != nil {
 		return fmt.Errorf("AccessibleReposEnv: %w", err)
 	}
-	repoIDs, err := env.RepoIDs(1, org.NumRepos)
+	repoIDs, err := env.RepoIDs(ctx, 1, org.NumRepos)
 	if err != nil {
 		return fmt.Errorf("GetUserRepositories [%d]: %w", user.ID, err)
 	}