migration: remove app storages
migration: remove app storages

+ make the names migration less noisy

cihangir/koding,kwagdy/koding-1,szkl/koding,drewsetski/koding,gokmen/koding,rjeczalik/koding,drewsetski/koding,cihangir/koding,koding/koding,drewsetski/koding,alex-ionochkin/koding,mertaytore/koding,usirin/koding,alex-ionochkin/koding,drewsetski/koding,sinan/koding,kwagdy/koding-1,rjeczalik/koding,alex-ionochkin/koding,andrewjcasal/koding,mertaytore/koding,koding/koding,gokmen/koding,koding/koding,acbodine/koding,koding/koding,andrewjcasal/koding,usirin/koding,szkl/koding,rjeczalik/koding,gokmen/koding,kwagdy/koding-1,koding/koding,usirin/koding,andrewjcasal/koding,szkl/koding,rjeczalik/koding,jack89129/koding,alex-ionochkin/koding,drewsetski/koding,alex-ionochkin/koding,jack89129/koding,mertaytore/koding,kwagdy/koding-1,kwagdy/koding-1,acbodine/koding,acbodine/koding,jack89129/koding,cihangir/koding,jack89129/koding,usirin/koding,kwagdy/koding-1,cihangir/koding,sinan/koding,gokmen/koding,szkl/koding,szkl/koding,cihangir/koding,gokmen/koding,gokmen/koding,andrewjcasal/koding,jack89129/koding,acbodine/koding,mertaytore/koding,szkl/koding,cihangir/koding,cihangir/koding,rjeczalik/koding,kwagdy/koding-1,alex-ionochkin/koding,mertaytore/koding,mertaytore/koding,acbodine/koding,rjeczalik/koding,koding/koding,drewsetski/koding,mertaytore/koding,sinan/koding,sinan/koding,drewsetski/koding,szkl/koding,kwagdy/koding-1,rjeczalik/koding,gokmen/koding,usirin/koding,andrewjcasal/koding,koding/koding,gokmen/koding,usirin/koding,sinan/koding,alex-ionochkin/koding,andrewjcasal/koding,usirin/koding,cihangir/koding,mertaytore/koding,jack89129/koding,alex-ionochkin/koding,rjeczalik/koding,jack89129/koding,koding/koding,andrewjcasal/koding,drewsetski/koding,acbodine/koding,acbodine/koding,sinan/koding,andrewjcasal/koding,usirin/koding,sinan/koding,acbodine/koding,sinan/koding,jack89129/koding,szkl/koding