Magento Onestep Checkout – Remove Payment and Shipping Method Step

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In this blog post, I am attaching a module to remove both shipping method and payment method from magento onestep checkout.

This module is in continuation of 2 blogs written before on removing payment method and removing shipping method only.
Here I am just going to attach the source files of the module, as this blog is just the combination of the previous two blogs. All explanation of the source code is already giving in the previous posts.
So attached is the module
Error... Unable to load download template. Search single-download-template.tpl in your plugin folder!
This is end result of the code

Magento Checkout - Remove Payment and Shipping Method

Magento Checkout - Remove Payment and Shipping Method