Cleaned up and fixed several reorder issues.

src/Discord.Net.Rest/API/Rest/ModifyGuildChannelsParams.cs

@@ -7,9 +7,9 @@ namespace Discord.API.Rest
     internal class ModifyGuildChannelsParams
     {
         [JsonProperty("id")]
-        public ulong Id { get; set; }
+        public ulong Id { get; }
         [JsonProperty("position")]
-        public int Position { get; set; }
+        public int Position { get; }
 
         public ModifyGuildChannelsParams(ulong id, int position)
         {

src/Discord.Net.Rest/API/Rest/ModifyGuildRoleParams.cs

@@ -10,8 +10,6 @@ namespace Discord.API.Rest
         public Optional<string> Name { get; set; }
         [JsonProperty("permissions")]
         public Optional<ulong> Permissions { get; set; }
-        [JsonProperty("position")]
-        public Optional<int> Position { get; set; }
         [JsonProperty("color")]
         public Optional<uint> Color { get; set; }
         [JsonProperty("hoist")]

src/Discord.Net.Rest/API/Rest/ModifyGuildRolesParams.cs

@@ -8,10 +8,13 @@ namespace Discord.API.Rest
     {
         [JsonProperty("id")]
         public ulong Id { get; }
+        [JsonProperty("position")]
+        public int Position { get; }
 
-        public ModifyGuildRolesParams(ulong id)
+        public ModifyGuildRolesParams(ulong id, int position)
         {
             Id = id;
+            Position = position;
         }
     }
 }