Removed unused using process::UPID clause in src/cli/resolve.cpp.
Removed unused using process::UPID clause in src/cli/resolve.cpp.

Review: https://reviews.apache.org/r/20310

gsantovena/mesos,zmalik/mesos,gsantovena/mesos,chhsia0/mesos,zmalik/mesos,asamerh4/mesos,verizonlabs/mesos,dforsyth/mesos,chhsia0/mesos,jpeach/mesos,kaysoky/mesos,abudnik/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,Gilbert88/mesos,dforsyth/mesos,chhsia0/mesos,zmalik/mesos,jpeach/mesos,kaysoky/mesos,verizonlabs/mesos,gsantovena/mesos,craimbert/mesos,gsantovena/mesos,Aman-Jain-14/customizedMesos,kaysoky/mesos,neilconway/mesos,gsantovena/mesos,zmalik/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,zmalik/mesos,reneploetz/mesos,andschwa/mesos,verizonlabs/mesos,Aman-Jain-14/customizedMesos,Gilbert88/mesos,reneploetz/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,verizonlabs/mesos,yuquanshan/customizedMesos,reneploetz/mesos,andschwa/mesos,craimbert/mesos,neilconway/mesos,andschwa/mesos,craimbert/mesos,kaysoky/mesos,reneploetz/mesos,neilconway/mesos,jpeach/mesos,abudnik/mesos,abudnik/mesos,reneploetz/mesos,gsantovena/mesos,dforsyth/mesos,kaysoky/mesos,jpeach/mesos,Gilbert88/mesos,reneploetz/mesos,Gilbert88/mesos,abudnik/mesos,abudnik/mesos,abudnik/mesos,asamerh4/mesos,chhsia0/mesos,craimbert/mesos,asamerh4/mesos,yuquanshan/customizedMesos,verizonlabs/mesos,neilconway/mesos,neilconway/mesos,asamerh4/mesos,yuquanshan/customizedMesos,dforsyth/mesos,Gilbert88/mesos,jpeach/mesos,andschwa/mesos,Gilbert88/mesos,kaysoky/mesos,yuquanshan/customizedMesos,yuquanshan/customizedMesos,chhsia0/mesos,dforsyth/mesos,chhsia0/mesos,Gilbert88/mesos,verizonlabs/mesos,asamerh4/mesos,jpeach/mesos,neilconway/mesos,craimbert/mesos,asamerh4/mesos,andschwa/mesos,dforsyth/mesos,kaysoky/mesos,dforsyth/mesos,zmalik/mesos,jpeach/mesos,craimbert/mesos,zmalik/mesos,Aman-Jain-14/customizedMesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,andschwa/mesos,Aman-Jain-14/customizedMesos,gsantovena/mesos,abudnik/mesos,neilconway/mesos,chhsia0/mesos,craimbert/mesos