Remove superfluous test script

Author: wooorm

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
-script: npm run-script test-travis
+script: npm run-script test-coverage
 node_js:
 - '0.10'
 - '0.11'

package.json

@@ -49,9 +49,7 @@
  },
  "scripts": {
  "test-api": "node test/index.js",
- "test-coveralls": "istanbul cover --report lcovonly test/index.js",
  "test-coverage": "istanbul cover test/index.js",
- "test-travis": "npm run test-coveralls",
  "test": "npm run test-api",
  "lint-api": "eslint .",
  "lint-style": "jscs --reporter inline .",