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The problem with the chocolate glitch is at King's end and you won't get rid of it if you uninstall the app. However you do get rid of all your stored boosters if you uninstall the app.
When you reload the app choose the option "already have a King account" right at the bottom of this screen in settings in the app.
If you had previously saved you game, then your game progress and gold bars should all come back, but any boosters you had will be lost.
Here is info about the chocolate glitch: