Disable server side document formatting capability

Author: Kapil Borle

src/PowerShellEditorServices.Protocol/Server/LanguageServer.cs

@@ -200,7 +200,7 @@ await requestContext.SendResult(
                         {
                             TriggerCharacters = new string[] { " " } // TODO: Other characters here?
                         },
-                        DocumentFormattingProvider = true
+                        DocumentFormattingProvider = false
                     }
                 });
         }