Remove airbnb.com from change-password quirks (apple#687)

https://www.airbnb.com/.well-known/change-password is now a valid,
supported URL route to /account-settings/login-and-security.

Author: jparise

quirks/change-password-URLs.json

@@ -13,7 +13,6 @@
     "ae.com": "https://www.ae.com/myaccount",
     "aerlingus.com": "https://www.aerlingus.com/html/user-profile.html",
     "aesop.com": "https://www.aesop.com/my-account",
-    "airbnb.com": "https://www.airbnb.com/account-settings/login-and-security",
     "airnewzealand.com": "https://www.airnewzealand.com/membership/profile/security/password",
     "alaskaair.com": "https://www.alaskaair.com/www2/ssl/myalaskaair/myalaskaair.aspx?view=myinformation&tab=email",
     "aliexpress.com": "https://login.aliexpress.com/",