api/app: removed relative import
api/app: removed relative import

Fix go test -i.

RichardKnop/tsuru,mderaldo/tsuru,tuxmonteiro/tsuru,firebitsbr/tsuru,mderaldo/tsuru,RichardKnop/tsuru,kgrvamsi/tsuru,tuxmonteiro/tsuru,kgrvamsi/tsuru,mderaldo/tsuru,ggarnier/tsuru,jblancett/tsuru,ArxdSilva/tsuru,4eek/tsuru,tsuru/tsuru,gwmoura/tsuru,firebitsbr/tsuru,gwmoura/tsuru,gciotta/tsuru,cezarsa/tsuru,ggarnier/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,gciotta/tsuru,RichardKnop/tsuru,ArxdSilva/tsuru,hugoantunes/tsuru,jblancett/tsuru,jblancett/tsuru,gciotta/tsuru,cezarsa/tsuru,firebitsbr/tsuru,Endika/tsuru,kgrvamsi/tsuru,cezarsa/tsuru,hcxiong/tsuru,tsuru/tsuru,tsuru/tsuru,cgvarela/tsuru,Endika/tsuru,hcxiong/tsuru,4eek/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,cezarsa/tsuru,ggarnier/tsuru,ggarnier/tsuru,Endika/tsuru,gwmoura/tsuru,cgvarela/tsuru,guilhermebr/tsuru,4eek/tsuru,cgvarela/tsuru,hugoantunes/tsuru,tsuru/tsuru,tuxmonteiro/tsuru,ArxdSilva/tsuru,hcxiong/tsuru