• type String - 密码.
• origin String (可选) - 一旦设置origin值，只有与origin相关的认证信息才会被移除，否则整个缓存都将被清空。
• scheme String (可选) - 认证的scheme类型。 可选类型有 basic, digest, ntlm, negotiate. 如果origin被移除，则必须提供此属性值。
• realm String (可选) - 认证的Realm域信息。如果origin被移除，则必须提供此属性值。
• username String (可选) - 认证的Credentials证书信息。如果origin被移除，则必须提供此属性值。
• password String (可选) - 认证的Credentials证书信息。如果origin被移除，则必须提供此属性值。

RemovePassword Object

• type String - password.
• origin String (optional) - When provided, the authentication info
  related to the origin will only be removed otherwise the entire cache
  will be cleared.
• scheme String (optional) - Scheme of the authentication.
  Can be basic, digest, ntlm, negotiate. Must be provided if
  removing by origin.
• realm String (optional) - Realm of the authentication. Must be provided if
  removing by origin.
• username String (optional) - Credentials of the authentication. Must be
  provided if removing by origin.
• password String (optional) - Credentials of the authentication. Must be
  provided if removing by origin.