Changed System.Graphics dependencies from GitHub packages to NuGet packages

src/GraphicsControls/Controls/ProgressBar/ProgressBar.shared.cs

@@ -2,7 +2,6 @@
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using Xamarin.Forms;
-using Xamarin.Forms.Internals;
 using XColor = Xamarin.Forms.Color;
 
 namespace GraphicsControls

src/GraphicsControls/Controls/Slider/Slider.shared.cs

@@ -3,7 +3,6 @@ using System.Graphics;
 using System.Runtime.CompilerServices;
 using System.Windows.Input;
 using Xamarin.Forms;
-using Xamarin.Forms.Internals;
 using XColor = Xamarin.Forms.Color;
 
 namespace GraphicsControls

src/GraphicsControls/Controls/Stepper/Stepper.shared.cs

@@ -4,7 +4,6 @@ using System.Runtime.CompilerServices;
 using GraphicsControls.Effects;
 using GraphicsControls.Helpers;
 using Xamarin.Forms;
-using Xamarin.Forms.Internals;
 using XColor = Xamarin.Forms.Color;
 
 namespace GraphicsControls

src/GraphicsControls/GraphicsControls.csproj

@@ -60,7 +60,7 @@
     <Compile Include="**/*.shared.cs" />
     <Compile Include="**/*.shared.*.cs" />
     <PackageReference Include="Xamarin.Forms" Version="4.8.0.1687" />
-    <PackageReference Include="System.Graphics" Version="0.1.6" />   
+    <PackageReference Include="JonLipsky.System.Graphics" Version="0.1.33" />   
     <PackageReference Include="Markdig" Version="0.22.1" />
   </ItemGroup>
   <ItemGroup Condition=" $(TargetFramework.StartsWith('netstandard2.0')) ">

src/GraphicsControls/nuget.config

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <clear />
-    <add key="nuget" value="https://api.nuget.org/v3/index.json" />
-    <add key="github" value="https://nuget.pkg.github.com/jonlipsky/index.json" />
-  </packageSources>
-  <packageSourceCredentials>
-      <github>
-          <add key="Username" value="jsuarezruiz" />
-          <add key="ClearTextPassword" value="49b219709c19252493004e5c7d1ec231367e2074" />
-      </github>
-  </packageSourceCredentials>
-</configuration>