Remove package and its reference

Author: MaggieKimani1

src/Microsoft.OpenApi.Workbench/App.xaml

@@ -3,12 +3,4 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:Microsoft.OpenApi.Workbench"
              StartupUri="MainWindow.xaml">
-    <Application.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.MergedDictionaries>
-                <ResourceDictionary Source="Themes/Metro/Metro.MSControls.Core.Implicit.xaml" />
-                <ResourceDictionary Source="Themes/Metro/Metro.MSControls.Toolkit.Implicit.xaml" />
-            </ResourceDictionary.MergedDictionaries>
-        </ResourceDictionary>
-    </Application.Resources>
 </Application>

src/Microsoft.OpenApi.Workbench/Microsoft.OpenApi.Workbench.csproj

@@ -7,7 +7,6 @@
     <ImportWindowsDesktopTargets>true</ImportWindowsDesktopTargets>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Infragistics.Themes.MetroLight.Wpf" Version="1.0.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
     <PackageReference Include="Microsoft.DotNet.UpgradeAssistant.Extensions.Default.Analyzers" Version="0.3.310801">
       <PrivateAssets>all</PrivateAssets>