Fixed remaining compile errors

src/Artemis.Core/Artemis.Core.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net7.0</TargetFramework>
         <PreserveCompilationContext>false</PreserveCompilationContext>
         <ShouldIncludeNativeSkiaSharp>false</ShouldIncludeNativeSkiaSharp>
         <AssemblyTitle>Artemis.Core</AssemblyTitle>

src/Artemis.Core/Constants.cs

@@ -6,7 +6,6 @@ using System.Linq;
 using System.Reflection;
 using Artemis.Core.JsonConverters;
 using Artemis.Core.Services;
-using Artemis.Core.Services.Core;
 using Artemis.Core.SkiaSharp;
 using Newtonsoft.Json;
 

src/Artemis.Core/Events/UpdateEventArgs.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 
 namespace Artemis.Core;
 

src/Artemis.Core/Services/WebServer/WebModuleRegistration.cs

@@ -1,6 +1,5 @@
 using System;
 using EmbedIO;
-using DryIoc;
 
 namespace Artemis.Core.Services;