Changed location of get_hopping_eigenvalues() to SurfaceHoppingMethod… #864

Job	Run time
test (Core)	16m 1s
test (Analysis)	16m 44s
test (InitialConditions)	18m 54s
test (dynamics_classical)	18m 35s
test (dynamics_mdef)	18m 38s
test (dynamics_surface_hopping)	19m 0s
test (dynamics_cme)	19m 0s
test (dynamics_mapping)	18m 40s
test (dynamics_ehrenfest)	18m 51s
test (dynamics_ensembles)	18m 56s
	3h 3m 19s

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