AppVeyor: disable x86 Windows builds (it's still supported on Actions) (

#1718)

It's failing on AppVeyor and we will stop using it soon, so let's just make builds green.
I also added VS 2019 builds just in case.

appveyor.yml

@@ -7,6 +7,7 @@ skip_tags: true
 skip_branch_with_pr: true
 
 image:
+- Visual Studio 2019
 - Visual Studio 2022
 
 configuration:
@@ -17,7 +18,6 @@ configuration:
 
 platform:
 - x64
-- x86
 
 branches:
  except:
@@ -28,10 +28,6 @@ cache:
 
 for:
 -
- matrix:
- only:
- - image: Visual Studio 2022
-
  before_build:
  - git submodule update --init --recursive
  - nuget restore src\engine.sln