Revert "Bump express from 4.16.3 to 4.16.4"

This reverts commit d9ce20d.

Author: krubenok

package-lock.json

@@ -21,7 +21,7 @@
     "cryptiles": "^4.1.3",
     "debug": "~2.6.9",
     "dotenv": "^5.0.1",
-    "express": "~4.16.4",
+    "express": "~4.16.0",
     "express-validator": "^5.2.0",
     "express-winston": "^2.5.1",
     "handlebars": "^4.0.12",