SSDM-13329 Removing outdated openbis scripts

openbis_all/source/bash/build.sh

openbis_all/source/bash/build_snapshot.sh

openbis_all/source/bash/fetch-ci-artifacts.sh

..._all/source/bash/fetch-generic-sprint-server-artifacts.sh

...ll/source/bash/fetch-screening-sprint-server-artifacts.sh

openbis_all/source/bash/install-servers.sh

openbis_all/source/bash/nightly-upgrade-generic-openbis.sh

openbis_all/source/bash/nightly-upgrade-screening-openbis.sh

openbis_all/source/bash/sprint_install.sh

openbis_all/source/bash/sprint_post_install.sh

openbis_all/source/bash/sprint_post_install_demo.sh

openbis_all/source/bash/sprint_post_install_sprint.sh

openbis_all/source/bash/tag_and_build.sh