Whislist sale to email disable

[Braatka]

Is there any way i could disable my whislist games going on sale messages in my email?

[Terminus]

Hey

If you wish to opt out of notifications:
1) Go to Your Account
2) Email Settings > Configure your Email Preferences > (Open a new page) Email Preferences
3) Send me an email when > (Untick) An item on my wishlist goes on sale.

To remove a game from your wishlist:
1) Got to Your Steam Wishlist;
2) Remove the respective games from your wishlist.

Wishlist Notifications
Don't miss out when the best deals happen
We'll let you know by email or through our mobile app when the games on your Wishlist are on sale as a Daily Deal, Midweek Madness or Weekend Deal. Whether you're riding the bus, walking the dog, or stuck in a meeting, you'll know when there's a deal!

If you'd prefer not to be notified, it's easy to opt out of email or turn off mobile notifications. 
Source: Notifications.