api/pools: add comments to describe pool remove
api/pools: add comments to describe pool remove

ArxdSilva/tsuru,ggarnier/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,tsuru/tsuru,cezarsa/tsuru,cezarsa/tsuru,ggarnier/tsuru,guilhermebr/tsuru,gwmoura/tsuru,tsuru/tsuru,cezarsa/tsuru,ggarnier/tsuru,gwmoura/tsuru,tsuru/tsuru,cezarsa/tsuru,tsuru/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,gwmoura/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru