pkg/mount/Make*: optimize
pkg/mount/Make*: optimize

The only option we supply is either BIND or a mount propagation flag,
so it makes sense to specify the flag value directly, rather than using
parseOptions() every time.

Signed-off-by: Kir Kolyshkin <3a017b8ddb3f9cf3e4a59978b004111bdeb97f08@gmail.com>

jvanz/docker,rremer/moby,ibuildthecloud/docker,nawawi/docker,docker/docker,nalind/docker,yongtang/docker,bearstech/moby,jameszhan/docker,kolyshkin/moby,unclejack/docker,moul/docker,djs55/docker,Mokolea/docker,konstruktoid/docker-upstream,kojiromike/docker,jimjag/docker,nalind/docker,justincormack/docker,vdemeester/docker,ibuildthecloud/docker,mahak/docker,SvenDowideit/docker,nawawi/docker,AkihiroSuda/docker,mahak/docker,Mokolea/docker,Ramzec/docker,nawawi/docker,docker/docker,Mokolea/docker,docker/docker,jimjag/docker,jthelin/docker,thaJeztah/docker,bearstech/moby,tmp6154/docker,yongtang/docker,flavio/docker,cpuguy83/docker,pradipd/moby,paralin/docker,kolyshkin/moby,yosifkit/docker,gnailuy/docker,konstruktoid/docker-1,flavio/docker,konstruktoid/docker-upstream,jthelin/docker,yosifkit/docker,paralin/docker,kojiromike/docker,mikebrow/docker,nalind/docker,crosbymichael/docker,cpuguy83/docker,cpuguy83/docker,justincormack/docker,jvanz/docker,SvenDowideit/docker,djs55/docker,crosbymichael/docker,thaJeztah/docker,rremer/moby,gnailuy/docker,unclejack/docker,pradipd/moby,mikebrow/docker,moby/moby,Ramzec/docker,estesp/docker,dims/docker,moul/docker,estesp/docker,paralin/docker,AkihiroSuda/docker,moul/docker,Ramzec/docker,rremer/moby,konstruktoid/docker-upstream,bearstech/moby,yosifkit/docker,tmp6154/docker,dims/docker,djs55/docker,paralin/docker,AkihiroSuda/docker,AkihiroSuda/docker,jimjag/docker,ibuildthecloud/docker,mikebrow/docker,tmp6154/docker,flavio/docker,yongtang/docker,trebonian/docker,nalind/docker,kojiromike/docker,bearstech/moby,gnailuy/docker,gnailuy/docker,dims/docker,thaJeztah/docker,vdemeester/docker,moby/moby,pradipd/moby,jameszhan/docker,moby/moby,flavio/docker,estesp/docker,cpuguy83/docker,Mokolea/docker,yosifkit/docker,trebonian/docker,mahak/docker,ibuildthecloud/docker,SvenDowideit/docker,thaJeztah/docker,moul/docker,justincormack/docker,Ramzec/docker,jimjag/docker,konstruktoid/docker-1,kolyshkin/moby,unclejack/docker,trebonian/docker,konstruktoid/docker-upstream,konstruktoid/docker-1,trebonian/docker,vdemeester/docker,moby/moby,ibuildthecloud/docker,nawawi/docker,crosbymichael/docker,mahak/docker,jvanz/docker,jameszhan/docker