lint: remove unused variables

Author: dougwilson

.eslintrc

@@ -29,6 +29,7 @@
     "no-trailing-spaces": 2,
     "no-unexpected-multiline": 2,
     "no-unreachable": 2,
+    "no-unused-vars": 2,
     "semi": [2, "always"],
     "use-isnan": 2,
     "valid-jsdoc": 2,

test/run-cov.js

@@ -1,4 +1,3 @@
-var fs       = require('fs');
 var istanbul = require('istanbul');
 var mkdirp   = require('mkdirp');
 var path     = require('path');