Common: remove short-hostname addon from travis.yml (close #2674)
Common: remove short-hostname addon from travis.yml (close #2674)

simplybusiness/snowplow-fork,liveintent-berlin/snowplow,liveintent-berlin/snowplow,aldemirenes/snowplow,aldemirenes/snowplow,sspinc/snowplow,liveintent-berlin/snowplow,RetentionGrid/snowplow,sspinc/snowplow,RetentionGrid/snowplow,snowplow/snowplow,aldemirenes/snowplow,chuwy/snowplow-ci,snowplow/snowplow,sspinc/snowplow,Propertyfinder/snowplow,Propertyfinder/snowplow,acgray/snowplow,sspinc/snowplow,snowplow/snowplow,chuwy/snowplow-ci,acgray/snowplow,simplybusiness/snowplow-fork,chuwy/snowplow-ci,simplybusiness/snowplow-fork,Propertyfinder/snowplow,acgray/snowplow,liveintent-berlin/snowplow,atotech/snowplow,haensel-ams/snowplow,atotech/snowplow,simplybusiness/snowplow-fork,snowplow/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,Propertyfinder/snowplow,aldemirenes/snowplow,simplybusiness/snowplow-fork,sspinc/snowplow,atotech/snowplow,simplybusiness/snowplow-fork,acgray/snowplow,haensel-ams/snowplow,RetentionGrid/snowplow,Propertyfinder/snowplow,aldemirenes/snowplow,Propertyfinder/snowplow,chuwy/snowplow-ci,acgray/snowplow,acgray/snowplow,RetentionGrid/snowplow,RetentionGrid/snowplow,haensel-ams/snowplow,chuwy/snowplow-ci,atotech/snowplow,liveintent-berlin/snowplow,haensel-ams/snowplow,aldemirenes/snowplow,atotech/snowplow,sspinc/snowplow,chuwy/snowplow-ci,liveintent-berlin/snowplow,atotech/snowplow