fix(instagram): drop hidden Instagram from OAuth catalog pin test

Instagram is hideFromToolbar so it is excluded from integrations.json;
the pinned slug map must not expect it until the block is visible again.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: 2 people

apps/sim/lib/integrations/oauth-service.test.ts

@@ -43,7 +43,6 @@ const EXPECTED_PROVIDER_BY_SLUG: Record<string, string> = {
   jira: 'jira',
   'jira-service-management': 'jira',
   linear: 'linear',
-  instagram: 'instagram',
   linkedin: 'linkedin',
   'microsoft-dataverse': 'microsoft-dataverse',
   'microsoft-excel': 'microsoft-excel',