STY: removed a random comment

Author: aaronjridley

src/fill_grid.cpp

@@ -200,8 +200,6 @@ void Grid::fill_grid_bfield(Planets planet) {
       bfield_unit_vcgc[0].zeros();
       bfield_unit_vcgc[1].zeros();
       bfield_unit_vcgc[2] = 1.0 * sign(magInvLat_scgc * -1.0);
-
-      // slight complication -
     } else
       for (iDim = 0; iDim < 3; iDim++)
         bfield_unit_vcgc[iDim] = bfield_vcgc[iDim] / (bfield_mag_scgc + 1e-32);