Get rid of match on membership change in RoomMember::update_profile.

The calling method already did this when it determined that
update_profile should be called so we don't need to repeat it.

matrix_sdk_base/src/models/room_member.rs

@@ -117,20 +117,11 @@ impl RoomMember {
 
     /// Handle profile updates.
     pub(crate) fn update_profile(&mut self, event: &MemberEvent) -> bool {
-        use MembershipChange::*;
-
-        match event.membership_change() {
-            ProfileChanged => {
         self.display_name = event.content.displayname.clone();
         self.avatar_url = event.content.avatar_url.clone();
         true
     }
 
-            // We're only interested in profile changes here.
-            _ => false,
-        }
-    }
-
     pub fn update_power(&mut self, event: &PowerLevelsEvent, max_power: Int) -> bool {
         let changed;
         if let Some(user_power) = event.content.users.get(&self.user_id) {