refactor(npm): clean up and simplify npm scripts

package.json

@@ -12,8 +12,6 @@
   "scripts": {
     "build": "npm run clean && babel lib --out-dir dist",
     "clean": "rimraf dist",
-    "prepublishOnly": "npm run build",
-    "postpublish": "npm run clean",
     "lint": "eslint lib bin/contentful-import test",
     "pretest": "npm run lint && npm run build",
     "test": "npm run test:unit && npm run test:integration",
@@ -23,16 +21,9 @@
     "test:integration": "jest --testPathPattern=test/integration",
     "test:integration:debug": "node --inspect-brk ./node_modules/.bin/jest --runInBand --watch --testPathPattern=test/integration",
     "test:integration:watch": "npm run test:integration -- --watch",
-    "browser-coverage": "npm run test:cover && opener coverage/lcov-report/index.html",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post",
-    "devmanage:build": "pushd ../contentful-management.js && npm run build && popd",
-    "devmanage:clean": "pushd ../contentful-management.js && npm run clean && popd",
-    "devmanage:install": "npm run devmanage:build && rm -rf node_modules/contentful-management.js && npm install ../contentful-management.js && npm run devmanage:clean",
-    "devmanage:uninstall": "npm run devmanage:clean && rimraf node_modules/contentful-management.js",
-    "devdep:build": "pushd ../contentful-batch-libs && npm run build && popd",
-    "devdep:clean": "pushd ../contentful-batch-libs && npm run clean && popd",
-    "devdep:install": "npm run devdep:build && rm -rf node_modules/contentful-batch-libs && npm install ../contentful-batch-libs && npm run devdep:clean",
-    "devdep:uninstall": "npm run devdep:clean && rimraf node_modules/contentful-batch-libs",
+    "prepublishOnly": "npm run build",
+    "postpublish": "npm run clean",
     "precommit": "npm run lint",
     "prepush": "npm run test:unit"
   },
@@ -69,8 +60,6 @@
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
     "babel-preset-env": "^1.6.0",
-    "babel-template": "^6.23.0",
-    "babel-types": "^6.23.0",
     "codecov": "^3.0.0",
     "contentful-management": "^4.0.2",
     "cz-conventional-changelog": "^2.0.0",
@@ -84,7 +73,6 @@
     "husky": "^0.14.3",
     "jest": "^21.2.1",
     "nixt": "^0.5.0",
-    "opener": "^1.4.1",
     "rimraf": "^2.5.0",
     "semantic-release": "^6.3.6"
   },
@@ -93,9 +81,6 @@
     "dist",
     "example-config.json"
   ],
-  "standard": {
-    "parser": "babel-eslint"
-  },
   "config": {
     "commitizen": {
       "path": "./node_modules/cz-conventional-changelog"