Update IAPIMentionableResponse Docs

Sources/Version-Control/Services/API/GitHub/Interfaces/Repo/IAPIMentionableResponse.swift

@@ -11,25 +11,16 @@ public struct IAPIMentionableResponse: Codable {
 }
 
 public struct IAPIMentionableUser: Codable {
-    /**
-     * The username or "handle" of the user
-     */
+    /// The username or "handle" of the user
     public let login: String
-    /**
-     * The user's real name (or at least the name that the user
-     * has configured to be shown) or null if the user hasn't provided
-     * a real name for their public profile.
-     */
-
+    /// The user's real name (or at least the name that the user
+    /// has configured to be shown) or null if the user hasn't provided
+    /// a real name for their public profile.
     public let name: String?
-    /**
-     * The user's attributable email address or null if the
-     * user doesn't have an email address that they can be
-     * attributed by
-     */
+    /// The user's attributable email address or null if the
+    /// user doesn't have an email address that they can be
+    /// attributed by
     public let email: String
-    /**
-     * A url to an avatar image chosen by the user
-     */
+    /// A url to an avatar image chosen by the user
     public let avatar_url: String
 }