You can remove a reaction trigger with the autoreact remove command.
Syntax: ;autoreact remove [trigger]
Example: ;autoreact remove panda
Reacting to every message
If you’re interested in having reactions on every message, you can use the autoreact channel add command. This is useful for channels like #selfies where messages can be voted on.
The channel must either be set as imgonly or have a slowmode of at least one minute.