dev: comment cleanup

src/NadekoBot/Modules/Expressions/NadekoExpressions.cs

@@ -405,8 +405,6 @@ public partial class NadekoExpressions : NadekoModule<NadekoExpressionsService>
     [Ratelimit(300)]
     public async Task ExprsImport([Leftover] string input = null)
     {
-        // todo cooldown on public bot for 1 day, limit 100
-        
         if (!AdminInGuildOrOwnerInDm())
         {
             await Response().Error(strs.expr_insuff_perms).SendAsync();

src/NadekoBot/Modules/Music/PlaylistCommands.cs

@@ -130,7 +130,6 @@ public sealed partial class Music
                 return;
             }
 
-            // todo check locally queued songs
             var songs = mp.GetQueuedTracks()
                           .Select(s => new PlaylistSong
                           {