Cleanup the cache_service API
Cleanup the cache_service API

This replaces the void method in the cache service API to be json_void

Signed-off-by: Amnon Heiman <ed5fc74c4692051ad0b19749fd7cea6ec2d74b9e@cloudius-systems.com>

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