Remove: #609 グループ機能を削除 #3114

Job	Run time
build (production)	2m 15s
build (test)	2m 26s
test (3.1)	7m 20s
test (3.2)	7m 20s
Libvips tests (3.1)	1m 57s
test (.ruby-version)	8m 2s
Back to original and return test (.ruby-version)	11m 9s
End to End testing (3.1)	2m 23s
Libvips tests (3.2)	1m 38s
End to End testing (3.2)	2m 18s
Libvips tests (.ruby-version)	2m 0s
Elastic Search integration testing (3.1, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	3m 37s
End to End testing (.ruby-version)	2m 32s
Elastic Search integration testing (3.2, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	3m 32s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	3m 43s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	4m 26s
Elastic Search integration testing (.ruby-version, opensearchproject/opensearch:2)	3m 34s
	1h 10m 12s

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