Removed unnecessary eddy viscosity contributions in BC routines in the heat solver.
Removed unnecessary eddy viscosity contributions in BC routines in the heat solver.

drewkett/SU2,drewkett/SU2,drewkett/SU2,drewkett/SU2,hlkline/SU2,drewkett/SU2,hlkline/SU2,srange/SU2,hlkline/SU2,hlkline/SU2,srange/SU2,srange/SU2,srange/SU2,hlkline/SU2