remove dead code

void

MEAM::compute_pair_meam(void)

{

  double r, b2nn, phi_val;

  double r;

  int j, a, b, nv2;

  double astar, frac, phizbl;

  int n, Z1, Z2;

  int Z1, Z2;

  double arat, rarat, scrn, scrn2;

  double phiaa, phibb /*unused:,phitmp*/;

  double C, s111, s112, s221, S11, S22;

  double Eu;

  double arat, scrn, scrn2;

  int Z12, errorflag;

  int n, Z1nn, Z2nn;

  int Z1nn, Z2nn;

  lattice_t latta /*unused:,lattb*/;

  double rho_bkgd1, rho_bkgd2;

  double b11s, b22s;