net: revert whatever is left from "virtio: batch transmitted packets" commit.
net: revert whatever is left from "virtio: batch transmitted packets" commit.

Revert remains of commit 503f1bf4 since there is no need to batch
packets inside virtio any more. Upper layer does it already.

phonkee/scylla,stamhe/seastar,acbellini/scylla,glommer/scylla,dwdm/seastar,norcimo5/seastar,dreamsxin/seastar,bowlofstew/scylla,dwdm/scylla,shaunstanislaus/scylla,shaunstanislaus/scylla,jonathanleang/seastar,asias/scylla,guiquanz/scylla,tempbottle/seastar,duarten/scylla,linearregression/scylla,acbellini/scylla,chunshengster/seastar,raphaelsc/seastar,shyamalschandra/seastar,flashbuckets/seastar,raphaelsc/seastar,eklitzke/scylla,stamhe/scylla,kjniemi/scylla,flashbuckets/seastar,justintung/scylla,tempbottle/scylla,stamhe/scylla,joerg84/seastar,tempbottle/seastar,victorbriz/scylla,avikivity/scylla,capturePointer/scylla,kjniemi/scylla,wildinto/scylla,wildinto/seastar,syuu1228/seastar,bowlofstew/seastar,scylladb/scylla,rentongzhang/scylla,acbellini/seastar,koolhazz/seastar,rluta/scylla,kangkot/scylla,raphaelsc/scylla,respu/scylla,scylladb/scylla-seastar,wildinto/scylla,raphaelsc/scylla,guiquanz/scylla,scylladb/scylla,kjniemi/seastar,acbellini/seastar,xtao/seastar,justintung/scylla,printedheart/seastar,anzihenry/seastar,linearregression/seastar,cloudius-systems/seastar,slivne/seastar,aruanruan/scylla,mixja/seastar,hongliangzhao/seastar,linearregression/seastar,sjperkins/seastar,anzihenry/seastar,joerg84/seastar,syuu1228/seastar,shyamalschandra/seastar,stamhe/scylla,gwicke/scylla,tempbottle/scylla,capturePointer/scylla,anzihenry/seastar,senseb/scylla,bowlofstew/seastar,flashbuckets/seastar,raphaelsc/scylla,guiquanz/scylla,shaunstanislaus/scylla,kangkot/scylla,avikivity/scylla,dreamsxin/seastar,slivne/seastar,respu/scylla,linearregression/scylla,kjniemi/scylla,jonathanleang/seastar,cloudius-systems/seastar,wildinto/seastar,phonkee/scylla,wildinto/seastar,rluta/scylla,shyamalschandra/seastar,duarten/scylla,eklitzke/scylla,chunshengster/seastar,leejir/seastar,hongliangzhao/seastar,scylladb/seastar,cloudius-systems/seastar,mixja/seastar,aruanruan/scylla,avikivity/seastar,victorbriz/scylla,linearregression/scylla,senseb/scylla,sjperkins/seastar,rluta/scylla,printedheart/seastar,kjniemi/seastar,respu/scylla,avikivity/seastar,kjniemi/seastar,xtao/seastar,duarten/scylla,phonkee/scylla,dwdm/seastar,asias/scylla,leejir/seastar,norcimo5/seastar,glommer/scylla,asias/scylla,raphaelsc/seastar,hongliangzhao/seastar,wildinto/scylla,justintung/scylla,bzero/seastar,scylladb/seastar,tempbottle/scylla,scylladb/seastar,victorbriz/scylla,acbellini/seastar,gwicke/scylla,senseb/scylla,avikivity/seastar,mixja/seastar,chunshengster/seastar,ducthangho/imdb,sjperkins/seastar,slivne/seastar,dreamsxin/seastar,scylladb/scylla,ducthangho/imdb,ducthangho/imdb,stamhe/seastar,printedheart/seastar,tempbottle/seastar,norcimo5/seastar,scylladb/scylla-seastar,joerg84/seastar,scylladb/scylla,leejir/seastar,rentongzhang/scylla,stamhe/seastar,acbellini/scylla,linearregression/seastar,bzero/seastar,xtao/seastar,dwdm/seastar,avikivity/scylla,gwicke/scylla,bowlofstew/scylla,koolhazz/seastar,rentongzhang/scylla,capturePointer/scylla,eklitzke/scylla,dwdm/scylla,bowlofstew/seastar,dwdm/scylla,syuu1228/seastar,glommer/scylla,aruanruan/scylla,jonathanleang/seastar,koolhazz/seastar,scylladb/scylla-seastar,kangkot/scylla,bowlofstew/scylla,bzero/seastar