How to disable Google Now swipe gesture from the Home button in Android

Recently I bought a new Android tablet (it's a Lenovo A3000) with Android 4.2 installed. Right from the first day of its use, I was very annoyed by Google Now, which is accessible via the swipe gesture from the Home button. I launched it several times accidentally and decided to get rid of this feature from my tablet. Here is how I got it disabled.

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