[kafka] Remove duplicate metric
[kafka] Remove duplicate metric

jyogi/purvar-agent,gphat/dd-agent,jyogi/purvar-agent,cberry777/dd-agent,manolama/dd-agent,jyogi/purvar-agent,manolama/dd-agent,gphat/dd-agent,Wattpad/dd-agent,manolama/dd-agent,manolama/dd-agent,cberry777/dd-agent,manolama/dd-agent,tebriel/dd-agent,pmav99/praktoras,indeedops/dd-agent,cberry777/dd-agent,takus/dd-agent,takus/dd-agent,Wattpad/dd-agent,takus/dd-agent,indeedops/dd-agent,pmav99/praktoras,indeedops/dd-agent,gphat/dd-agent,jyogi/purvar-agent,takus/dd-agent,Wattpad/dd-agent,jyogi/purvar-agent,takus/dd-agent,cberry777/dd-agent,pmav99/praktoras,gphat/dd-agent,indeedops/dd-agent,pmav99/praktoras,tebriel/dd-agent,Wattpad/dd-agent,indeedops/dd-agent,tebriel/dd-agent,pmav99/praktoras,gphat/dd-agent,tebriel/dd-agent,Wattpad/dd-agent,tebriel/dd-agent,cberry777/dd-agent