Peter Thomas is putting his ex-wife Cynthia Bailey on blast just six months after returning home. The former “Real Housewives of Atlanta” star received an 18-month sentence for failing to pay trust fund taxes. Thomas spent a little more than six months behind bars before authorities released him to house arrest at the Miami Residential Reentry Management Office. Peter Thomas slams Cynthia Bailey for backing out of helping him keep his home. (Pho…