Changelly v2 (#343)

* Disable shapeshift and use changelly

* UI to manage changelly payment method

* wip on changelly api

* Add in Vue component for changelly and remove target currency from payment method

* add changelly merhcant id

* Small fixes to get Conversion to load

* wip fixing the component

* fix merge conflict

* fixes to UI

* remove debug, fix fee calc and move changelly to own partials

* Update ChangellyController.cs

* move original vue setup back to checkout

* Update core.js

* Extracting Changelly component to js file

* Proposal for loading spinner

* remove zone

* imrpove changelly ui

* add in changelly config checks

* try new method to calculate amount + remove to currency from list

* abstract changelly lofgic to provider and reduce dependency on js component

* Add UTs for Changelly

* refactor changelly backend

* fix failing UT

* add shitcoin tax

* pr changes

* pr changes

* WIP: getting rid of changelly dependency

* client caching, compiling code, cleaner code

* Cleaner changelly

* fiat!

* updat i18n, css and error styler

* default keys

* pr changes part 1

* part2

* fix tests

* fix loader alignment and retry button responsiveness

* final pr change

BTCPayServer/Models/StoreViewModels/CheckoutExperienceViewModel.cs

@@ -23,11 +23,6 @@ namespace BTCPayServer.Models.StoreViewModels
         public string DefaultCryptoCurrency { get; set; }
         [Display(Name = "Default language on checkout")]
         public string DefaultLang { get; set; }
-        [Display(Name = "Allow conversion through third party (Shapeshift, Changelly...)")]
-        public bool AllowCoinConversion
-        {
-            get; set;
-        }
         [Display(Name = "Do not propose lightning payment if value of the invoice is above...")]
         [MaxLength(20)]
         public string LightningMaxValue { get; set; }