removed jest because it was throwing an error during the gulp build process.

Isn't NPM lovely?

package.json

@@ -51,9 +51,6 @@
     "gulp": "^4.0.2",
     "gulp-typescript": "^6.0.0-alpha.1",
     "gulp-exec": "^5.0.0",
-    "del": "^6.0.0",
-    "jest": "^26.6.1",
-    "ts-jest": "^26.4.2",
-    "@types/jest": "^26.0.15"
+    "del": "^6.0.0"
   }
 }