Fixes extra newline from confs

As we are using templates to dynamicaly create confs on conditions,
Often extra newlines are getting added in confs, we should remove them.

modules/common/util/template_util.go

@@ -157,6 +157,8 @@ func ExecuteTemplateData(templateData string, data interface{}) (string, error)
 		"add":   add,
 		"lower": lower,
 	}
+	// remove extra newlines
+	templateData = strings.ReplaceAll(templateData, "\n\n\n", "")
 	tmpl, err := template.New("tmp").Option("missingkey=error").Funcs(funcs).Parse(templateData)
 	if err != nil {
 		return "", err