removing unused config file

Signed-off-by: EraKin575 <tejaskumar574@gmail.com>

Author: shivamsouravjha

express-mongoose/jest.config.js

@@ -1,13 +0,0 @@
-module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-  globals: {
-    'ts-jest': {
-      tsconfig: 'tsconfig.json'
-    }
-  },
-  transform: {
-    "^.+\\.js$": "babel-jest"
-  },
-
-};