travis: remove the sed in .git/config
travis: remove the sed in .git/config

We no longer need that as we're not invoking go get anymore (godep is
handling the dependencies).

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