remove redundant else clause in already shortcut else branch
remove redundant else clause in already shortcut else branch

Scifabric/pybossa,inteligencia-coletiva-lsd/pybossa,proyectos-analizo-info/pybossa-analizo-info,PyBossa/pybossa,harihpr/tweetclickers,CulturePlex/pybossa,CulturePlex/pybossa,Scifabric/pybossa,geotagx/geotagx-pybossa-archive,OpenNewsLabs/pybossa,geotagx/geotagx-pybossa-archive,geotagx/geotagx-pybossa-archive,stefanhahmann/pybossa,geotagx/geotagx-pybossa-archive,proyectos-analizo-info/pybossa-analizo-info,proyectos-analizo-info/pybossa-analizo-info,harihpr/tweetclickers,CulturePlex/pybossa,geotagx/pybossa,inteligencia-coletiva-lsd/pybossa,geotagx/pybossa,geotagx/geotagx-pybossa-archive,OpenNewsLabs/pybossa,jean/pybossa,stefanhahmann/pybossa,PyBossa/pybossa,jean/pybossa