remove Makefile

Author: delabiejochen

Makefile

@@ -5,7 +5,8 @@
   "version": "1.0.8",
   "scripts": {
     "lint": "eslint lib/",
-    "test": "make test"
+    "test:unit": "mocha test/",
+    "test": "run-s lint test:unit"
   },
   "homepage": "https://github.com/testingbot/testingbot-api",
   "repository": {
@@ -27,7 +28,8 @@
     "eslint-plugin-import": "^2.16.0",
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-standard": "^5.0.0",
-    "mocha": "^8.3.2"
+    "mocha": "^8.3.2",
+    "npm-run-all": "^4.1.5"
   },
   "engines": {
     "node": "*"