Delete documentation-government-overview.md in Azure Gov docs

Author: stevevi

.openpublishing.redirection.json

@@ -6928,6 +6928,11 @@
     "redirect_url":  "/azure/azure-government/compare-azure-government-global-azure",
     "redirect_document_id":  false
 },
+{
+    "source_path_from_root":  "/articles/azure-government/documentation-government-overview.md",
+    "redirect_url":  "/azure/azure-government/documentation-government-plan-security",
+    "redirect_document_id":  false
+},
 {
     "source_path_from_root":  "/articles/security/compliance/azure-services-in-fedramp-auditscope.md",
     "redirect_url":  "/azure/azure-government/compliance/azure-services-in-fedramp-auditscope",