Function delete_user_reaction 

pub async fn delete_user_reaction(
    client: &Client,
    token: &str,
    channel_id: &str,
    message_id: &str,
    emoji: &str,
    user_id: &str,
) -> Result<(), Box<dyn Error>>

Deletes a user’s reaction to a message.

Arguments

• client - The HTTP client used to send the request.
• token - The bot token for authentication.
• channel_id - The ID of the channel where the message is located.
• message_id - The ID of the message to remove the reaction from.
• emoji - The emoji to remove.
• user_id - The ID of the user whose reaction to remove.

Returns

A result indicating success or failure.