Update ConcurrencyException.cs

src/YesSql.Abstractions/ConcurrencyException.cs

@@ -5,23 +5,11 @@ namespace YesSql
 {
     public class ConcurrencyException : Exception
     {
-        private readonly string _message;
-
         public Document Document { get; }
 
-        public ConcurrencyException(Document document)
+        public ConcurrencyException(Document document) : base($"The document with Id '{document.Id}' and type '{document.Type}' could not be updated as it has been changed by another process.")
         {
             Document = document;
-
-            _message= $"""
-The document could not be updated as it has been changed by another process.
-     ID: {Document.Id}
-   Type: {Document.Type}
-Version: {Document.Version}
-Content: {Document.Content}        
-""";
         }
-
-        public override string Message { get { return _message; } }
     }
 }