Hide SDK random promo notice

[girishpanchal30]

All Submissions:

• Have you followed the Optimole Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Added the following filter to hide the SDK promo notice.
add_filter( 'themeisle_sdk_ran_promos', '__return_false' );

Issue https://github.com/Codeinwp/themeisle/issues/1676

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[pirate-bot]

Plugin build for be83492 is ready 🛎️!

• Download build
• Download dev