revert: adding lj-releng file #1030

Job	Run time
build (ubuntu-20.04, linux_openresty, lua-resty-worker-events, t/http3/admin)	58s
build (ubuntu-20.04, linux_openresty, lua-resty-worker-events, t/plugin/[a-k]*)	59s
build (ubuntu-20.04, linux_openresty, lua-resty-worker-events, t/plugin/[l-z]*)	59s
build (ubuntu-20.04, linux_openresty, lua-resty-worker-events, t/admin t/cli t/config-center-yaml...	1m 0s
build (ubuntu-20.04, linux_openresty, lua-resty-worker-events, t/node t/pubsub t/router t/script ...	57s
build (ubuntu-20.04, linux_openresty, lua-resty-events, t/http3/admin)	1m 0s
build (ubuntu-20.04, linux_openresty, lua-resty-events, t/plugin/[a-k]*)	57s
build (ubuntu-20.04, linux_openresty, lua-resty-events, t/plugin/[l-z]*)	58s
build (ubuntu-20.04, linux_openresty, lua-resty-events, t/admin t/cli t/config-center-yaml t/cont...	58s
build (ubuntu-20.04, linux_openresty, lua-resty-events, t/node t/pubsub t/router t/script t/secre...	59s
	9m 45s

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