Revert "fix for 1.3.3"
Revert "fix for 1.3.3"

This reverts commit cbc00b5762dc4065ec02bb3170533e77d8bc1832.

yyljlyy/mackerel-agent,stanaka/mackerel-agent,kamatama41/mackerel-agent,stanaka/mackerel-agent,mackerelio/mackerel-agent,yyljlyy/mackerel-agent,kamatama41/mackerel-agent,mackerelio/mackerel-agent,yyljlyy/mackerel-agent,stanaka/mackerel-agent,kamatama41/mackerel-agent,yyljlyy/mackerel-agent,kamatama41/mackerel-agent,stanaka/mackerel-agent,mackerelio/mackerel-agent