Removed sequelize from dependencies, tests add that in

Author: Sean Newell

package-lock.json

@@ -33,8 +33,7 @@
     "@types/node": "6.0.41",
     "@types/reflect-metadata": "0.0.4",
     "@types/sequelize": "4.0.59",
-    "es6-shim": "0.35.3",
-    "sequelize": "4.0.0-1"
+    "es6-shim": "0.35.3"
   },
   "devDependencies": {
     "@types/chai": "3.4.35",