STYLE: use 'operator>>' instead of readLabel and readScalar

...e/multiphaseEulerFoam/multiphaseSystem/multiphaseSystem.C

...tiphase/twoPhaseEulerFoam/twoPhaseSystem/twoPhaseSystem.C

src/finiteVolume/fvMatrices/solvers/MULES/CMULESTemplates.C

src/functionObjects/field/nearWallFields/findCellParticle.C

...grangian/DSMC/parcels/Templates/DSMCParcel/DSMCParcelIO.C

src/lagrangian/basic/injectedParticle/injectedParticleIO.C

...ate/parcels/Templates/KinematicParcel/KinematicParcelIO.C

...ermediate/parcels/Templates/ThermoParcel/ThermoParcelIO.C

...grangian/molecularDynamics/molecule/molecule/moleculeIO.C

src/lagrangian/solidParticle/solidParticleIO.C

...ngian/spray/parcels/Templates/SprayParcel/SprayParcelIO.C

src/mesh/snappyHexMesh/trackedParticle/trackedParticle.C

...ngMultiphaseEulerFoam/multiphaseSystem/multiphaseSystem.C

...reactingTwoPhaseEulerFoam/twoPhaseSystem/twoPhaseSystem.C

src/surfMesh/triSurface/patches/surfacePatch.C