remove unused property

Author: jamestalmage

lib/test.js

@@ -28,9 +28,6 @@ function Test(title, fn) {
 	this.duration = null;
 	this.context = {};
 
-	// test type, can be: test, hook, eachHook
-	this.type = 'test';
-
 	// store the time point before test execution
 	// to calculate the total time spent in test
 	this._timeStart = null;