Cleanup swim wrapper #2042

Job	Run time
java_matrix	3s
download_test_data	3s
build (macos-latest)	3m 13s
build (ubuntu-latest)	2m 51s
unit_tests (21)	3m 4s
unit_tests (25)	2m 45s
generate_documentation	58s
dependency_analysis	1m 10s
test_decoder	3m 6s
spotbugs	6m 50s
test_run-groovy	39s
test_clara	4m 43s
test_coatjava (ubuntu-latest, eb-eg)	1m 51s
test_coatjava (ubuntu-latest, eb-eftpi)	1m 48s
test_coatjava (ubuntu-latest, eb-enc)	2m 37s
test_coatjava (ubuntu-latest, eb-epc)	2m 11s
test_coatjava (ubuntu-latest, kpp)	3m 37s
test_coatjava (macos-latest, eb-ep, ./run-eb-tests.sh -100 electronproton)	4m 15s
test_coatjava (ubuntu-latest, eb-ep)	1m 51s
release_build	0s
deploy_web_pages	0s
final	3s
	47m 38s

Provide feedback