refactor: remove duplicate Vsix class from GitRangerPackage

Author: CalvinAllen

src/CodingWithCalvin.GitRanger/GitRangerPackage.cs

@@ -136,17 +136,6 @@ private async Task RegisterCommandsAsync()
         }
     }
 
-    /// <summary>
-    /// VSIX metadata constants.
-    /// </summary>
-    public static class Vsix
-    {
-        public const string Name = "Git Ranger";
-        public const string Description = "A visually exciting Git management extension for Visual Studio";
-        public const string Version = "1.0.0";
-        public const string Author = "Calvin A. Allen";
-    }
-
     /// <summary>
     /// Package GUIDs.
     /// </summary>

src/CodingWithCalvin.GitRanger/source.extension.cs

@@ -1,6 +1,6 @@
 namespace CodingWithCalvin.GitRanger
 {
-    internal sealed partial class Vsix
+    internal static class Vsix
     {
         public const string Id = "CodingWithCalvin.VS-GitRanger";
         public const string Name = "Git Ranger";