Move maxAge check to DiscordRestApiClient for consistency

src/Discord.Net.Rest/DiscordRestApiClient.cs

@@ -957,6 +957,8 @@ namespace Discord.API
             Preconditions.NotNull(args, nameof(args));
             Preconditions.AtLeast(args.MaxAge, 0, nameof(args.MaxAge));
             Preconditions.AtLeast(args.MaxUses, 0, nameof(args.MaxUses));
+            Preconditions.AtMost(args.MaxAge, 86400, nameof(args.MaxAge),
+                "The maximum age of an invite must be less than or equal to a day (86400 seconds).");
             options = RequestOptions.CreateOrClone(options);
 
             var ids = new BucketIds(channelId: channelId);

src/Discord.Net.Rest/Entities/Channels/ChannelHelper.cs

@@ -76,9 +76,6 @@ namespace Discord.Rest
         public static async Task<RestInviteMetadata> CreateInviteAsync(IGuildChannel channel, BaseDiscordClient client,
             int? maxAge, int? maxUses, bool isTemporary, bool isUnique, RequestOptions options)
         {
-            if (maxAge > 86400)
-                throw new ArgumentOutOfRangeException(paramName: nameof(maxAge), actualValue: maxAge,
-                    message: "The maximum age of an invite must be less than or equal to a day (86400 seconds).");
             var args = new API.Rest.CreateChannelInviteParams
             {
                 IsTemporary = isTemporary,