FUNERAL HOMECOMING: Did you hear about Monday nights? They're positively killing poor Six Feet Under. Less than a month into the new season, HBO has decided to move the soon-to-conclude mortuary drama back to Sundays at 9 pm, effective July 3. (SFU's ratings have been down roughly 30 percent compared to last season.) To make room for the homecoming, both Entourage and The Comeback are getting pushed back an hour