removed duplicate env in .travis
removed duplicate env in .travis

vronvali/iLanguage,iLanguage/iLanguage,vronvali/iLanguage,cesine/iLanguage,iLanguage/iLanguage,iLanguage/iLanguage,cesine/iLanguage,iLanguage/iLanguage,cesine/iLanguage,cesine/iLanguage,vronvali/iLanguage,cesine/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,vronvali/iLanguage,vronvali/iLanguage