Rename EmbeddedIDiscreteFunction* -> EmbeddedDiscreteFunction

src/language/modules/BinaryOperatorRegisterForVh.cpp

src/language/modules/MathFunctionRegisterForVh.cpp

src/language/modules/UnaryOperatorRegisterForVh.cpp

src/language/utils/CMakeLists.txt

src/language/utils/EmbeddedDiscreteFunctionMathFunctions.cpp

src/language/utils/EmbeddedDiscreteFunctionMathFunctions.hpp

src/language/utils/EmbeddedDiscreteFunctionOperators.cpp

src/language/utils/EmbeddedDiscreteFunctionOperators.hpp

src/language/utils/EmbeddedDiscreteFunctionUtils.hpp

tests/CMakeLists.txt

tests/test_EmbeddedDiscreteFunctionMathFunctions1D.cpp

tests/test_EmbeddedDiscreteFunctionMathFunctions2D.cpp

tests/test_EmbeddedDiscreteFunctionMathFunctions3D.cpp

tests/test_EmbeddedDiscreteFunctionOperators.hpp

tests/test_EmbeddedDiscreteFunctionUtils.cpp