Apply suggestion from @kaichaosun

Co-authored-by: kaichao <kaichaosuna@gmail.com>

core/conversations/src/conversation/direct_v1.rs

@@ -21,7 +21,6 @@ impl DirectV1Convo {
     // have multiple Installations.
     pub fn new<S: ExternalServices>(
         cx: &mut ServiceContext<S>,
-        // Constructor must accept multiple
         members: &[IdentIdRef],
     ) -> Result<Self, ChatError> {
         let mut inner_group = DelegateGroup::new(cx)?;