Cleanup swim wrapper #2626

Job	Run time
validation / GitHub context	3s
validation / Dependency info	6s
validation / Build coatjava	2m 22s
validation / Configuration files	8s
validation / Event generation (e_g)	1m 13s
validation / Event generation (e_n)	58s
validation / Event generation (e_gFT)	1m 1s
validation / Event generation (eFT_K)	1m 16s
validation / Event generation (e_pC)	1m 7s
validation / Event generation (e_p)	1m 11s
validation / Run (e_p, rgb_fall2019)	4m 32s
validation / Run (e_n, rgb_fall2019)	4m 9s
validation / Run (e_pC, rgb_fall2019)	3m 53s
validation / Run (e_gFT, rgb_fall2019)	5m 9s
validation / Run (eFT_K, rgb_fall2019)	4m 37s
validation / Run (e_g, rgb_fall2019)	4m 6s
validation / Report multiplicity	4s
validation / Report efficiency	3s
	35m 58s

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