feat(packages): cleanup commented code and comments (#448)

* feat(packages): cleanup

* Update packages/iota-names/sources/deny_list.move

Co-authored-by: Thibault Martinez <thibault@iota.org>

* Apply suggestion from @Thoralf-M

---------

Co-authored-by: Thibault Martinez <thibault@iota.org>

Author: Thoralf-M

packages/iota-names/sources/deny_list.move

@@ -12,7 +12,7 @@ use std::string::String;
 #[error]
 const ENoLabelsInList: vector<u8> = b"No labels in the passed list.";
 
-/// A wrapper that holds the reserved and blocked labels.
+/// A type that holds the reserved and blocked labels. Attached to the `IotaNames` object as dynamic field.
 public struct DenyList has store {
     // The list of reserved labels.
     reserved: Table<String, bool>,

packages/iota-names/sources/name.move

@@ -155,8 +155,8 @@ fun is_valid_label(label: &String): bool {
     while (index < len) {
         let character = label_bytes[index];
         let is_valid_character =
-            (0x61 <= character && character <= 0x7A)                   // a-z
-                || (0x30 <= character && character <= 0x39)                // 0-9
+            (0x61 <= character && character <= 0x7A)                      // a-z
+                || (0x30 <= character && character <= 0x39)               // 0-9
                 || (character == 0x2D && index != 0 && index != len - 1); // '-' not at beginning or end
 
         if (!is_valid_character) {

packages/iota-names/sources/name_registration.move

@@ -19,8 +19,6 @@ use iota_names::constants;
 use iota_names::name::Name;
 use std::string::String;
 
-/* friend iota_names::registry; */
-
 /// The main access point for the user.
 public struct NameRegistration has key, store {
     id: UID,

packages/iota-names/sources/subname_registration.move

@@ -13,10 +13,6 @@ module iota_names::subname_registration;
 use iota::clock::Clock;
 use iota_names::name_registration::NameRegistration;
 
-/* friend iota_names::registry; */
-/* #[test_only] */
-/* friend iota_names::subname_tests; */
-
 /// === Error codes ===
 #[error]
 const ENftExpired: vector<u8> = b"NFT is expired.";