fix duplicate sqlite3 reference

Author: IzikLisbon

package.json

@@ -60,12 +60,11 @@
     "sinon": "1.17.7",
     "sinon-chai": "2.8.0",
     "source-map-support": "0.4.14",
-    "sqlite3": "3.1.8",
+    "sqlite3": "3.1.9",
     "ts-node": "3.0.4",
     "tslint": "4.3.1",
     "typescript": "2.2.1",
-    "uuid-validate": "0.0.2",
-    "sqlite3": "3.1.9"
+    "uuid-validate": "0.0.2"
   },
   "engines": {
     "node": ">=0.8.15"