Cleanup swim wrapper #2045

Job	Run time
java_matrix	3s
build (macos-latest)	3m 31s
build (ubuntu-latest)	2m 45s
download_test_data	3s
unit_tests (21)	3m 3s
unit_tests (25)	2m 43s
generate_documentation	1m 4s
spotbugs	6m 32s
dependency_analysis	59s
test_clara	4m 16s
test_run-groovy	28s
test_decoder	2m 27s
test_coatjava (ubuntu-latest, kpp)	2m 54s
test_coatjava (ubuntu-latest, eb-enc)	2m 15s
test_coatjava (ubuntu-latest, eb-eg)	2m 22s
test_coatjava (ubuntu-latest, eb-eftpi)	1m 56s
test_coatjava (ubuntu-latest, eb-epc)	1m 53s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	3m 20s
test_coatjava (ubuntu-latest, eb-ep)	1m 55s
release_build	-1s
deploy_web_pages	0s
final	3s
	44m 31s

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