Hard Edge” is a wannabe survival drama set in cozy rural England that mostly fires blanks. Second low-budget feature from young Brit director Caleb Lindsay, who bowed three years ago with the slight but promising Gen-X dramatic comedy “Chasing Dreams,” is torpedoed by blah dialogue and largely collegiate playing. Tightening by some 10 minutes could make this privately funded item a passable vid entry for undiscriminating couch potatoes. Prime candidate for shearing is an awkward six-minute pre-credit sequence of the two leads, bearded John (Luke Shaw) and balding Ben (Simon Bateso), fooling ...