I understand how annoying that can be. Could you please confirm which version of Illustrator and operating system you’re using? The emoji panel is triggered by the system shortcut rather than Illustrator itself. On macOS, it's usually Command + Control + Space, and on Windows it's Windows key + Period.
If possible, please share a screenshot of your full screen when the emoji panel appears, so I can better understand what's happening and guide you with the right ste