Merge pull request #1103 from sozu-proxy/remove-feature-logs-cache #2908

Job	Run time
Coverage	5m 32s
Build documentation	2m 36s
Docker build and push to Docker Hub	11s
Test (false, stable)	3m 32s
Test (false, beta)	3m 16s
Test (nightly, true)	3m 14s
	18m 21s

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