ca: Simplify NewConfigPaths
ca: Simplify NewConfigPaths

This function uses a lot of temporary variables that are only referenced
once. Removing them makes the function easier to read and makes mistakes
slightly harder.

Signed-off-by: Aaron Lehmann <8ecfc6017a87905413dcd7d63696a2a4c351b604@docker.com>

sungwonh/swarmkit,cheyang/swarmkit,docker/swarmkit,alyyousuf7/swarmkit,aaronlehmann/swarmkit,sungwonh/swarmkit,diogomonica/swarmkit,runshenzhu/swarmkit,dperny/swarmkit-1,fate-grand-order/swarmkit,cezarsa/swarmkit,jlhawn/swarmkit,yongtang/swarmkit,Noyan759/swarmkit,allencloud/swarmkit,diogomonica/swarmkit,Noyan759/swarmkit,deljuven/swarmkit,fate-grand-order/swarmkit,docker/swarmkit,elifa/swarmkit,yp-engineering/swarmkit,AliyunContainerService/swarmkit,vasil-yordanov/swarmkit,cheyang/swarmkit,AliyunContainerService/swarmkit,yongtang/swarmkit,yp-engineering/swarmkit,elifa/swarmkit,alyyousuf7/swarmkit,runshenzhu/swarmkit,allencloud/swarmkit,aaronlehmann/swarmkit,deljuven/swarmkit,dperny/swarmkit-1,RenaudWasTaken/swarmkit,vasil-yordanov/swarmkit,RenaudWasTaken/swarmkit,cezarsa/swarmkit,jlhawn/swarmkit