Removed unnecessary install step
Removed unnecessary install step

I'd like to see what Travis does when we remove this step. The simpler the configuration file, the cleaner and easier to maintain is the code.

ze-pequeno/mockito,bric3/mockito,ze-pequeno/mockito,mockito/mockito,bric3/mockito,mockito/mockito,mockito/mockito,bric3/mockito