remove test support for netcoreapp3.1

.vscode/launch.json

@@ -1,27 +0,0 @@
-{
-  // Use IntelliSense to find out which attributes exist for C# debugging
-  // Use hover for the description of the existing attributes
-  // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
-  "version": "0.2.0",
-  "configurations": [
-    {
-      "name": "Launch Example.ASP",
-      "type": "coreclr",
-      "request": "launch",
-      "preLaunchTask": "Example.ASP-build",
-      "program": "${workspaceFolder}/SpotifyAPI.Web.Examples/Example.ASP/bin/Debug/netcoreapp3.1/Example.ASP.dll",
-      "args": [],
-      "cwd": "${workspaceFolder}/SpotifyAPI.Web.Examples/Example.ASP",
-      "stopAtEntry": false,
-      // "serverReadyAction": {
-      //   "pattern": "^\\s*Now listening on:\\s+(https?://\\S+)"
-      // },
-      "env": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      },
-      "sourceFileMap": {
-        "/Views": "${workspaceFolder}/Views"
-      }
-    }
-  ]
-}

.vscode/tasks.json

@@ -1,17 +0,0 @@
-{
-  "version": "2.0.0",
-  "tasks": [
-    {
-      "label": "Example.ASP-build",
-      "command": "dotnet",
-      "type": "process",
-      "args": [
-        "build",
-        "${workspaceFolder}/SpotifyAPI.Web.Examples/Example.ASP/Example.ASP.csproj",
-        "/property:GenerateFullPaths=true",
-        "/consoleloggerparameters:NoSummary"
-      ],
-      "problemMatcher": "$msCompile"
-    }
-  ]
-}

SpotifyAPI.Web.Tests/SpotifyAPI.Web.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net7.0;net6.0;net5.0;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net5.0</TargetFrameworks>
     <LangVersion>9.0</LangVersion>
     <IsPackable>false</IsPackable>
   </PropertyGroup>