rhoEqn: Do not constrain; would violate conservation

applications/solvers/combustion/fireFoam/rhoEqn.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -40,8 +40,6 @@ Description
       + fvOptions(rho)
     );
 
-    fvOptions.constrain(rhoEqn);
-
     rhoEqn.solve();
 
     fvOptions.correct(rho);

applications/solvers/lagrangian/coalChemistryFoam/rhoEqn.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -39,8 +39,6 @@ Description
       + fvOptions(rho)
     );
 
-    fvOptions.constrain(rhoEqn);
-
     rhoEqn.solve();
 
     fvOptions.correct(rho);

applications/solvers/lagrangian/reactingParcelFilmFoam/rhoEqn.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -40,8 +40,6 @@ Description
       + fvOptions(rho)
     );
 
-    fvOptions.constrain(rhoEqn);
-
     rhoEqn.solve();
 
     fvOptions.correct(rho);

applications/solvers/lagrangian/reactingParcelFoam/rhoEqn.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -39,8 +39,6 @@ Description
       + fvOptions(rho)
     );
 
-    fvOptions.constrain(rhoEqn);
-
     rhoEqn.solve();
 
     fvOptions.correct(rho);

applications/solvers/lagrangian/sprayFoam/rhoEqn.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -39,8 +39,6 @@ Description
       + fvOptions(rho)
     );
 
-    fvOptions.constrain(rhoEqn);
-
     rhoEqn.solve();
 
     fvOptions.correct(rho);