Rollback changes.

Author: a-gubskiy

src/BitzArt.XDoc/XDoc.cs

@@ -131,45 +131,4 @@ public void Dispose()
     {
         _fetchedAssemblies.Clear();
     }
-
-    private static readonly ConcurrentDictionary<string, XDoc> Instances = new();
-
-    /// <summary>
-    /// Creates a new instance of <see cref="XDoc"/> or returns an existing one
-    /// </summary>
-    /// <param name="name"></param>
-    /// <returns></returns>
-    public static XDoc GetOrCreate(string name = "")
-    {
-        if (Instances.TryGetValue(name, out var doc))
-        {
-            return doc;
-        }
-
-        var xdoc = new XDoc();
-
-        if (Instances.TryAdd(name, xdoc))
-        {
-            return xdoc;
-        }
-
-        return Instances[name];
-    }
-
-    /// <summary>
-    /// Removes the <see cref="XDoc"/> instance with the specified name
-    /// </summary>
-    /// <param name="name"></param>
-    /// <returns></returns>
-    public static bool Remove(string name)
-    {
-        if (Instances.TryRemove(name, out var xdoc))
-        {
-            xdoc.Dispose();
-
-            return true;
-        }
-
-        return false;
-    }
 }