delete old valid test bag examples

export_dir_kitodo/bagit/valid_test2_bag/bag-info.txt

export_dir_kitodo/bagit/valid_test2_bag/bagit.txt

..._kitodo/bagit/valid_test2_bag/data/scans_tif/00000001.tif

..._kitodo/bagit/valid_test2_bag/data/scans_tif/00000002.tif

export_dir_kitodo/bagit/valid_test2_bag/data/test.txt

export_dir_kitodo/bagit/valid_test2_bag/manifest-md5.txt

export_dir_kitodo/bagit/valid_test2_bag/manifest-sha512.txt

export_dir_kitodo/bagit/valid_test2_bag/meta/mods.xml

export_dir_kitodo/bagit/valid_test2_bag/meta/rights.xml

export_dir_kitodo/bagit/valid_test2_bag/tagmanifest-md5.txt

...t_dir_kitodo/bagit/valid_test2_bag/tagmanifest-sha512.txt

export_dir_kitodo/bagit/valid_test3_bag/bag-info.txt

export_dir_kitodo/bagit/valid_test3_bag/bagit.txt

...odo/bagit/valid_test3_bag/data/img/scans_tif/00000001.tif

...odo/bagit/valid_test3_bag/data/img/scans_tif/00000002.tif

export_dir_kitodo/bagit/valid_test3_bag/data/test.txt

export_dir_kitodo/bagit/valid_test3_bag/manifest-md5.txt

export_dir_kitodo/bagit/valid_test3_bag/manifest-sha512.txt

export_dir_kitodo/bagit/valid_test3_bag/meta/mods.xml

export_dir_kitodo/bagit/valid_test3_bag/meta/rights.xml