remove dataCacheDoubleProvided

Solver/dgAlgorithm.cpp

Solver/dgConservationLaw.cpp

Solver/dgConservationLawAdvection.cpp

Solver/dgConservationLawMaxwell.cpp

Solver/dgConservationLawPerfectGas.cpp

Solver/dgConservationLawShallowWater1d.cpp

Solver/dgConservationLawShallowWater2d.cpp

Solver/dgConservationLawWaveEquation.cpp

Solver/dgDofContainer.cpp

Solver/dgFunctionIntegrator.cpp

Solver/dgLimiter.cpp

Solver/dgResidual.cpp

Solver/function.cpp

Solver/function.h