chore(spawnify) _set: rm self

Author: coderaiser

lib/spawnify.js

@@ -101,8 +101,7 @@
     };
 
     Spawnify.prototype._set = function set(type, command, options) {
-        var args, error, child,
-            self    = this;
+        var args, error, child;
 
         check(arguments, ['type', 'command', 'options']);