Tiny travis.yml tweak

Author: sindresorhus

.travis.yml

@@ -4,5 +4,6 @@ node_js:
   - '8'
   - '6'
 before_install:
-  - npm i -g npm
-after_success: npm run coveralls
+  - npm install --global npm
+after_success:
+  - './node_modules/.bin/nyc report --reporter=text-lcov | ./node_modules/.bin/coveralls'

package.json

@@ -8,8 +8,7 @@
 		"node": ">=6"
 	},
 	"scripts": {
-		"test": "nyc ava",
-		"coveralls": "nyc report --reporter=text-lcov | coveralls"
+		"test": "nyc ava"
 	},
 	"files": [
 		"index.js",