A beloved Manhattan bodega cat was horrifically mauled to death by two pit bulls last week as the dogs’ heartless female owner and pals “watched and cheered,” animal rescuers claimed to The Post. Tragic adorable tabby Freddy was attacked around 9 p.m. Friday outside Michelle Flowers, where he lived, in Washington Heights, according to volunteer rescuers with Cat Collective NY, who said they looked at surveillance video and spoke with witnesses. The pit bulls’ owner and pals then smoked, danced and ate food while taking photos and mimicking the grisly scene, the group told The Post. “Someone deliberately set dogs...