Merge password and 2fa page on user settings (#2695)

* merge password and 2fa page on user settings

integrations/links_test.go

@@ -71,11 +71,11 @@ func testLinksAsUser(userName string, t *testing.T) {
 		"/user2?tab=activity",
 		"/user/settings",
 		"/user/settings/avatar",
-		"/user/settings/password",
+		"/user/settings/security",
+		"/user/settings/security/two_factor/enroll",
 		"/user/settings/email",
 		"/user/settings/keys",
 		"/user/settings/applications",
-		"/user/settings/two_factor",
 		"/user/settings/account_link",
 		"/user/settings/organization",
 		"/user/settings/delete",