Fix format error in switcher.json

timhoffm · andrew-fennell · commit c6f84b1a8556 · 2022-06-13T23:14:16.000-05:00
As opposed to python, the last element of a json list is not allowed to
have a trailing comma.
diff --git a/doc/_static/switcher.json b/doc/_static/switcher.json
@@ -18,5 +18,5 @@
     {
         "name": "2.2",
         "version": "2.2.4"
-    },
+    }
 ]
