Refactor pprof labels and process desc (#32909)

* Deprecate "gopid" in log, it is not useful and requires very hacky
approach
* Remove "git.Command.SetDescription" because it is not useful and only
makes the logs too flexible

modules/log/logger_impl.go

@@ -200,11 +200,6 @@ func (l *LoggerImpl) Log(skip int, level Level, format string, logArgs ...any) {
 		event.Stacktrace = Stack(skip + 1)
 	}
 
-	labels := getGoroutineLabels()
-	if labels != nil {
-		event.GoroutinePid = labels["pid"]
-	}
-
 	// get a simple text message without color
 	msgArgs := make([]any, len(logArgs))
 	copy(msgArgs, logArgs)