Remove some (hopefully) vestigial code related to notification storage.
Remove some (hopefully) vestigial code related to notification storage.

John K and I are 99% sure those branches have never been used outside of
unit tests. Fingers crossed!
Kast0rTr0y/chef,ranjib/chef,onlyhavecans/chef,tomdoherty/chef,nathwill/chef,nvwls/chef,juliandunn/chef,oclaussen/chef,Kast0rTr0y/chef,tbunnyman/chef,mikedodge04/chef,chef/chef,brettcave/chef,Kast0rTr0y/chef,jkerry/chef,higanworks/chef,sanditiffin/chef,martinisoft/chef,martinisoft/chef,mikedodge04/chef,Ppjet6/chef,brettcave/chef,mal/chef,chef/chef,Tensibai/chef,sanditiffin/chef,juliandunn/chef,sanditiffin/chef,higanworks/chef,nvwls/chef,mattray/chef,brettcave/chef,gene1wood/chef,jkerry/chef,higanworks/chef,ranjib/chef,robmul/chef,ranjib/chef,ranjib/chef,gene1wood/chef,ChaosCloud/chef,b002368/chef-repo,mwrock/chef,evan2645/chef,mal/chef,nathwill/chef,ChaosCloud/chef,jaymzh/chef,juliandunn/chef,Ppjet6/chef,mal/chef,sanditiffin/chef,criteo-forks/chef,mwrock/chef,jonlives/chef,mal/chef,tomdoherty/chef,mikedodge04/chef,chef/chef,someara/chef,martinisoft/chef,Ppjet6/chef,ranjib/chef,mattray/chef,tbunnyman/chef,jonlives/chef,nvwls/chef,onlyhavecans/chef,gene1wood/chef,oclaussen/chef,tbunnyman/chef,MsysTechnologiesllc/chef,mal/chef,criteo-forks/chef,higanworks/chef,oclaussen/chef,jkerry/chef,robmul/chef,Tensibai/chef,evan2645/chef,juliandunn/chef,Tensibai/chef,mattray/chef,jonlives/chef,tbunnyman/chef,someara/chef,martinisoft/chef,criteo-forks/chef,Kast0rTr0y/chef,ChaosCloud/chef,nathwill/chef,jkerry/chef,criteo-forks/chef,chef/chef,jaymzh/chef,evan2645/chef,someara/chef,Kast0rTr0y/chef,evan2645/chef,evan2645/chef,mattray/chef,ChaosCloud/chef,Tensibai/chef,tomdoherty/chef,ChaosCloud/chef,nathwill/chef,robmul/chef,gene1wood/chef,tas50/chef-1,nvwls/chef,tas50/chef-1,brettcave/chef,jkerry/chef,someara/chef,onlyhavecans/chef,nvwls/chef,robmul/chef,oclaussen/chef,higanworks/chef,evan2645/chef,tomdoherty/chef,MsysTechnologiesllc/chef,oclaussen/chef,nathwill/chef,someara/chef,martinisoft/chef,ranjib/chef,mikedodge04/chef,Ppjet6/chef,Kast0rTr0y/chef,jkerry/chef,tas50/chef-1,b002368/chef-repo,MsysTechnologiesllc/chef,someara/chef,onlyhavecans/chef,tbunnyman/chef,jonlives/chef,mattray/chef,tomdoherty/chef,juliandunn/chef,onlyhavecans/chef,tas50/chef-1,jonlives/chef,Ppjet6/chef,MsysTechnologiesllc/chef,sanditiffin/chef,nathwill/chef,mwrock/chef,Tensibai/chef,sanditiffin/chef,b002368/chef-repo,jaymzh/chef,brettcave/chef,tbunnyman/chef,onlyhavecans/chef,jonlives/chef,mikedodge04/chef,mikedodge04/chef,brettcave/chef,robmul/chef,criteo-forks/chef,mal/chef,Ppjet6/chef,nvwls/chef,oclaussen/chef,robmul/chef,ChaosCloud/chef,b002368/chef-repo,b002368/chef-repo,criteo-forks/chef,mwrock/chef,jaymzh/chef,b002368/chef-repo