ci: Remove old .net versions from CI

Author: TwoTenPvP

appveyor.yml

@@ -24,11 +24,8 @@ build:
   verbosity: minimal
 
 after_build:
-  - 7z a net35.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\net35\*
-  - 7z a net45.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\net45\*
-  - 7z a net471.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\net471\*
-  - 7z a netcoreapp20.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\netcoreapp2.0\*
   - 7z a netstandard20.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\netstandard2.0\*
+  - 7z a netstandard20.zip %APPVEYOR_BUILD_FOLDER%\Ruffles\bin\Release\netstandard2.1\*
 
 cache:
 - '%APPDATA%\npm'