remove legacy scss styles, change to full webpack build #24

Job	Run time
branch_meta	1s
build_and_push	1m 7s
trivy-vulnerability-scanning	36s
deploy / create_artifacts_repos (schulcloud-server)	1m 4s
deploy / create_artifacts_repos (schulcloud-client)	13s
deploy / create_artifacts_repos (nuxt-client)	18s
deploy / create_artifacts_repos (superhero-dashboard)	5s
deploy / create_branch_identifier / convert_branch_name	1s
deploy / create_artifacts_repos (schulcloud-calendar)	3s
deploy / create_artifacts_repos (antivirus_check_service)	6s
deploy / create_artifacts_repos (version-aggregator)	9s
deploy / create_artifacts_repos (dof_app_deploy)	8s
deploy / create_artifacts_repos (h5p-staticfiles-server)	6s
deploy / create_artifacts_repos (tldraw-client)	5s
deploy / create_artifacts_workspaces (brb)	2s
deploy / create_artifacts_workspaces (dbc)	5s
deploy / create_artifacts_workspaces (nbc)	4s
deploy / create_artifacts_workspaces (thr)	6s
deploy / gather-namespace-activation-facts	3s
deploy / deploy_dbc_dev / deploy dbc	14s
deploy / deploy_brb_dev / deploy brb	14s
deploy / deploy_nbc_dev / deploy nbc	22s
deploy / deploy_thr_dev / deploy thr	23s
deploy / call-activator (dbc)	2s
deploy / call-activator (brb)	2s
deploy / call-activator (nbc)	2s
deploy / call-activator (thr)	2s
deploy-successful	0s
	5m 43s

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