docs: Removed double hooking of CommandService log event (#1225)

* Removed double hooking of CommandService log event

The log event is already hooked in Line 38 of program.cs

* Removed redundant log method

samples/02_commands_framework/Services/CommandHandlingService.cs

@@ -21,7 +21,6 @@ namespace _02_commands_framework.Services
             _services = services;
 
             _commands.CommandExecuted += CommandExecutedAsync;
-            _commands.Log += LogAsync;
             _discord.MessageReceived += MessageReceivedAsync;
         }
 
@@ -57,12 +56,5 @@ namespace _02_commands_framework.Services
             // the command failed, let's notify the user that something happened.
             await context.Channel.SendMessageAsync($"error: {result.ToString()}");
         }
-
-        private Task LogAsync(LogMessage log)
-        {
-            Console.WriteLine(log.ToString());
-
-            return Task.CompletedTask;
-        }
     }
 }