Revert "transport: improve exception handling on connection close"
Revert "transport: improve exception handling on connection close"

This reverts commit 0558a56ab5c79d0e4c435bbe416aefc133057d1f.  As Vlad points
out, it is bogus.  Real fix in 5ddbaf861287c9198379ce0c0ff8217bab0477fb.

avikivity/scylla,tempbottle/scylla,wildinto/scylla,linearregression/scylla,raphaelsc/scylla,senseb/scylla,bowlofstew/scylla,phonkee/scylla,stamhe/scylla,stamhe/scylla,guiquanz/scylla,wildinto/scylla,senseb/scylla,kjniemi/scylla,capturePointer/scylla,glommer/scylla,phonkee/scylla,gwicke/scylla,asias/scylla,scylladb/scylla,justintung/scylla,senseb/scylla,scylladb/scylla,acbellini/scylla,respu/scylla,aruanruan/scylla,guiquanz/scylla,tempbottle/scylla,avikivity/scylla,guiquanz/scylla,shaunstanislaus/scylla,tempbottle/scylla,shaunstanislaus/scylla,eklitzke/scylla,asias/scylla,linearregression/scylla,gwicke/scylla,eklitzke/scylla,victorbriz/scylla,rentongzhang/scylla,dwdm/scylla,justintung/scylla,stamhe/scylla,rluta/scylla,rluta/scylla,acbellini/scylla,asias/scylla,scylladb/scylla,kangkot/scylla,victorbriz/scylla,acbellini/scylla,raphaelsc/scylla,scylladb/scylla,aruanruan/scylla,wildinto/scylla,rentongzhang/scylla,glommer/scylla,eklitzke/scylla,victorbriz/scylla,duarten/scylla,duarten/scylla,capturePointer/scylla,aruanruan/scylla,kjniemi/scylla,avikivity/scylla,justintung/scylla,capturePointer/scylla,kangkot/scylla,duarten/scylla,glommer/scylla,bowlofstew/scylla,raphaelsc/scylla,respu/scylla,rentongzhang/scylla,linearregression/scylla,gwicke/scylla,bowlofstew/scylla,phonkee/scylla,dwdm/scylla,kjniemi/scylla,rluta/scylla,kangkot/scylla,dwdm/scylla,shaunstanislaus/scylla,respu/scylla