Ecommerce Product details page sidebar remove

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I'm using E-Commerce add-on for my product listing. In Product Details page, it has a sidebar which I want to remove. I mean I want to make this page as fullpage. The page type of this page is "Product Details" which is default for ecommerce.
Additionally which page is the product details page in e-commerce package. Please mention the page name. I want to change the page layout like the attached image.

Citytech

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