Revert package

Author: Vince-Smith

package.json

@@ -6,17 +6,16 @@
   "type": "commonjs",
   "license": "MIT",
   "dependencies": {
-    "@sequelize/core": "alpha",
     "chai": "^4",
     "chai-as-promised": "^7",
     "chai-datetime": "^1",
     "chalk": "^4.1.2",
     "cross-env": "^7",
     "fs-jetpack": "^4",
     "sequelize": "^6",
+    "@sequelize/core": "alpha",
     "sinon": "^13",
-    "sinon-chai": "^3",
-    "yarn": "^1.22.22"
+    "sinon-chai": "^3"
   },
   "scripts": {
     "_test": "ts-node dev/runner.ts",