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

@@ -38,7 +38,6 @@
   "scripts": {
     "test-api": "node test.js",
     "test-coverage": "istanbul cover test.js",
-    "test-travis": "npm run test-coverage",
     "test": "npm run test-api",
     "lint-api": "eslint .",
     "lint-style": "jscs --reporter inline .",