temporarily remove permissions boundary page (#7902)

Author: josefaidt

src/directory/directory.mjs

@@ -909,9 +909,6 @@ export const directory = {
             {
               path: 'src/pages/[platform]/reference/iam-policy/index.mdx'
             },
-            {
-              path: 'src/pages/[platform]/reference/permissions-boundary/index.mdx'
-            },
             {
               path: 'src/pages/[platform]/reference/telemetry/index.mdx'
             },