版本对应关系https://www.rabbitmq.com/docs/which-erlang
yum list | grep rabbitmq
卸载 yum -y remove rabbitmq* && yum -y remove erlang-*
yum -y remove rabbitmq*
yum -y remove rabbitmq-server.noarch
删除目录
rm -rf /var/lib/rabbitmq
rm -rf /usr/lib/rabbitmq
yum list | grep erlang
yum -y remove erlang-*