permissions rename :3 (#1788)

* permissions rename :3

* Update Permissions.js

* Update TextChannel.js

* Update GuildChannel.js

src/structures/TextChannel.js

@@ -35,21 +35,6 @@ class TextChannel extends GuildChannel {
     this.lastMessageID = data.last_message_id;
   }
 
-  /**
-   * A collection of members that can see this channel, mapped by their ID
-   * @type {Collection<Snowflake, GuildMember>}
-   * @readonly
-   */
-  get members() {
-    const members = new Collection();
-    for (const member of this.guild.members.values()) {
-      if (this.permissionsFor(member).has('READ_MESSAGES')) {
-        members.set(member.id, member);
-      }
-    }
-    return members;
-  }
-
   /**
    * Fetch all webhooks for the channel.
    * @returns {Promise<Collection<Snowflake, Webhook>>}