Update active-repo-report.sql

Author: some-natalie

sql/security/active-repo-report.sql

@@ -11,12 +11,10 @@ SELECT
 	u.login AS repo_owner,
 	u.type AS owner_type,
 	pushed_at AS last_update,
-	platform,
 	severity,
 	cve_id,
 	ghsa_id,
-	white_source_id,
-	external_reference
+	white_source_id
 FROM
 	github_enterprise.repository_vulnerability_alerts z
 JOIN github_enterprise.vulnerabilities v ON
@@ -31,4 +29,4 @@ WHERE
 	AND DATEDIFF(NOW(), r.pushed_at) < 91
 	AND r.parent_id IS NULL
 ORDER BY
-	last_update DESC;
+	last_update DESC;