Merge branch 'oliviergoulet/main/438' into 'main'

fix: known page should not be a list page

Closes #438

See merge request eclipsefdn/it/websites/eclipse.org!131

content/security/known/_index.md → content/security/known/index.md

@@ -3,7 +3,6 @@ title: "Known Vulnerabilities"
 date: 2022-08-30T13:14:48-04:00
 description: "List of security vulnerabilities known to affect Eclipse Foundation sites and projects"
 keywords: ['Eclipse', 'projects', 'security', 'cve']
-layout: single
 ---
 
 This page lists security vulnerabilities known to affect Eclipse Foundation sites and projects.