Removed excitation data from constructors

src/MainCardMech.hpp

src/coupled/MainCoupled.cpp

src/coupled/MainCoupled.hpp

src/elasticity/MainElasticity.cpp

src/electrophysiology/MainMonodomain.cpp

src/electrophysiology/MainOneCell.cpp

src/electrophysiology/assemble/IElphyAssemble.cpp

src/electrophysiology/assemble/IElphyAssemble.hpp

src/electrophysiology/assemble/Monodomain.cpp

src/electrophysiology/assemble/Monodomain.hpp

src/electrophysiology/assemble/MonodomainSplitting.cpp

src/electrophysiology/assemble/MonodomainSplitting.hpp

test/coupled/TestDeformedDiffusion.cpp