Removes the specified user from the specified group.
See https://www.paws-r-sdk.com/docs/cognitoidentityprovider_admin_remove_user_from_group/ for full documentation.
cognitoidentityprovider_admin_remove_user_from_group(
UserPoolId,
Username,
GroupName
)
[required] The user pool ID for the user pool.
[required] The username for the user.
[required] The group name.