Removed old NSSecureCoding conformance

Auth0/Credentials.swift

@@ -155,42 +155,3 @@ extension Credentials: Codable {
         try values.encode(expiresIn.timeIntervalSinceNow, forKey: .expiresIn)
     }
 }
-
-// MARK: - NSSecureCoding
-
-extension Credentials: NSSecureCoding {
-
-    /// `NSSecureCoding` decoding initializer.
-    public convenience init?(coder aDecoder: NSCoder) {
-        let accessToken = aDecoder.decodeObject(of: NSString.self, forKey: "accessToken")
-        let tokenType = aDecoder.decodeObject(of: NSString.self, forKey: "tokenType")
-        let idToken = aDecoder.decodeObject(of: NSString.self, forKey: "idToken")
-        let refreshToken = aDecoder.decodeObject(of: NSString.self, forKey: "refreshToken")
-        let expiresIn = aDecoder.decodeObject(of: NSDate.self, forKey: "expiresIn")
-        let scope = aDecoder.decodeObject(of: NSString.self, forKey: "scope")
-        let recoveryCode = aDecoder.decodeObject(of: NSString.self, forKey: "recoveryCode")
-
-        self.init(accessToken: accessToken as String? ?? "",
-                  tokenType: tokenType as String? ?? "",
-                  idToken: idToken as String? ?? "",
-                  refreshToken: refreshToken as String?,
-                  expiresIn: expiresIn as Date? ?? Date(),
-                  scope: scope as String?,
-                  recoveryCode: recoveryCode as String?)
-    }
-
-    /// `NSSecureCoding` encoding method.
-    public func encode(with aCoder: NSCoder) {
-        aCoder.encode(self.accessToken as NSString, forKey: "accessToken")
-        aCoder.encode(self.tokenType as NSString, forKey: "tokenType")
-        aCoder.encode(self.idToken as NSString, forKey: "idToken")
-        aCoder.encode(self.refreshToken as NSString?, forKey: "refreshToken")
-        aCoder.encode(self.expiresIn as NSDate, forKey: "expiresIn")
-        aCoder.encode(self.scope as NSString?, forKey: "scope")
-        aCoder.encode(self.recoveryCode as NSString?, forKey: "recoveryCode")
-    }
-
-    /// Property that enables secure coding. Equals to `true`.
-    public static var supportsSecureCoding: Bool { return true }
-
-}