cql3: remove replication strategy class from replication options
cql3: remove replication strategy class from replication options

The class name is stored separately and shouldn't be kept in the map
together with other options.

Signed-off-by: Paweł Dziepak <e29bb3265626c60caf76d587cabdfcd8b379ef80@cloudius-systems.com>

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