Ditch coffee-cache because it makes it hard to debug syntax errors

Signed-off-by: Max Brunsfeld <maxbrunsfeld@github.com>

Author: Nathan Sobo

package.json

@@ -39,7 +39,6 @@
     "babel-preset-stage-0": "6.5.0",
     "babel-register": "6.5.2",
     "chai": "3.5.0",
-    "coffee-cache": "0.2.0",
     "coffee-script": "1.7.0",
     "coffeelint": "1.14.2",
     "debounce": "1.0.0",

spec/helpers/setup.js

@@ -1,5 +1,5 @@
 require('babel-register')
-require('coffee-cache')
+require('coffee-script/register')
 
 global.assert = require('chai').assert