provision/docker/docker: remove duplicated code.
provision/docker/docker: remove duplicated code.

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