Update vuln-critical-count.sql

Author: some-natalie

sql/security/vuln-critical-count.sql

@@ -7,8 +7,6 @@ SELECT
 	v.ghsa_id,
 	v.white_source_id,
 	v.published_at as published,
-	v.external_reference,
-	v.platform as ecosystem,
 	COUNT(z.vulnerability_id) as repo_count
 FROM
 	github_enterprise.repository_vulnerability_alerts z
@@ -19,4 +17,4 @@ WHERE
 GROUP BY
 	v.id
 ORDER BY
-	COUNT(z.vulnerability_id) DESC;
+	COUNT(z.vulnerability_id) DESC;