我写了这个python 脚本一段时间前，它向我展示了以下内容：
ALL (ACTIVE & DISABLED) SNAP PACKAGES IN SYSTEM:
Active 391933952 /var/lib/snapd/snaps/anbox_186.snap
Active 4096 /var/lib/snapd/snaps/bare_5.snap
58281984 /var/lib/snapd/snaps/core18_2632.snap
Active 58314752 /var/lib/snapd/snaps/core18_2654.snap
Active 66301952 /var/lib/snapd/snaps/core20_1738.snap
Active 76398592 /var/lib/snapd/snaps/core22_444.snap
Active 122359808 /var/lib/snapd/snaps/core_14399.snap
57778176 /var/lib/snapd/snaps/cups_836.snap
Active 57704448 /var/lib/snapd/snaps/cups_872.snap
Active 548626432 /var/lib/snapd/snaps/djpdf_92.snap
Active 172761088 /var/lib/snapd/snaps/gnome-3-28-1804_161.snap
Active 363151360 /var/lib/snapd/snaps/gnome-3-38-2004_119.snap
Active 96141312 /var/lib/snapd/snaps/gtk-common-themes_1535.snap
Active 143360 /var/lib/snapd/snaps/gtk2-common-themes_13.snap
Active 444772352 /var/lib/snapd/snaps/kde-frameworks-5-91-qt-5-15-3-core20_1.snap
Active 457498624 /var/lib/snapd/snaps/kde-frameworks-5-96-qt-5-15-5-core20_7.snap
Active 273375232 /var/lib/snapd/snaps/kde-frameworks-5-core18_32.snap
Active 444768256 /var/lib/snapd/snaps/kde-frameworks-5-qt-5-15-3-core20_8.snap
Active 618799104 /var/lib/snapd/snaps/pycharm-community_310.snap
Active 241647616 /var/lib/snapd/snaps/riseup-vpn_179.snap
48156672 /var/lib/snapd/snaps/snap-store_599.snap
Active 48160768 /var/lib/snapd/snaps/snap-store_638.snap
311296 /var/lib/snapd/snaps/snapd-desktop-integration_43.snap
Active 311296 /var/lib/snapd/snaps/snapd-desktop-integration_49.snap
Active 52031488 /var/lib/snapd/snaps/snapd_17883.snap
我注意到这些活跃的包裹：
Active 58314752 /var/lib/snapd/snaps/core18_2654.snap
Active 66301952 /var/lib/snapd/snaps/core20_1738.snap
Active 76398592 /var/lib/snapd/snaps/core22_444.snap
Active 122359808 /var/lib/snapd/snaps/core_14399.snap
和
Active 444772352 /var/lib/snapd/snaps/kde-frameworks-5-91-qt-5-15-3-core20_1.snap
Active 457498624 /var/lib/snapd/snaps/kde-frameworks-5-96-qt-5-15-5-core20_7.snap
Active 273375232 /var/lib/snapd/snaps/kde-frameworks-5-core18_32.snap
Active 444768256 /var/lib/snapd/snaps/kde-frameworks-5-qt-5-15-3-core20_8.snap
占用了大量的系统存储空间。它们的大小不断增长。Ubuntu 22.04 真的需要所有的/var/lib/snapd/snaps/core和/var/lib/snapd/snaps/kde-frameworks包吗？其中一些可以删除吗？
我不知道为什么有这么多快照核心文件和快照 kde-frameworks 文件。它们是重复的吗？
更新：
$ grep "default-provider:" /snap/*/current/meta/snap.yaml
/snap/djpdf/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/djpdf/current/meta/snap.yaml: default-provider: kde-frameworks-5-96-qt-5-15-5-core20
/snap/djpdf/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snapd-desktop-integration/current/meta/snap.yaml: default-provider: gnome-3-38-2004
/snap/snapd-desktop-integration/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snapd-desktop-integration/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snapd-desktop-integration/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snap-store/current/meta/snap.yaml: default-provider: gnome-3-38-2004
/snap/snap-store/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snap-store/current/meta/snap.yaml: default-provider: gtk-common-themes
/snap/snap-store/current/meta/snap.yaml: default-provider: gtk-common-themes
$ grep "base:" /snap/*/*/meta/snap.yaml
/snap/cups/872/meta/snap.yaml:base: core20
/snap/cups/current/meta/snap.yaml:base: core20
/snap/djpdf/92/meta/snap.yaml:base: core20
/snap/djpdf/current/meta/snap.yaml:base: core20
/snap/gnome-3-28-1804/161/meta/snap.yaml:base: core18
/snap/gnome-3-28-1804/current/meta/snap.yaml:base: core18
/snap/gnome-3-38-2004/119/meta/snap.yaml:base: core20
/snap/gnome-3-38-2004/current/meta/snap.yaml:base: core20
/snap/gtk-common-themes/1535/meta/snap.yaml:base: bare
/snap/gtk-common-themes/current/meta/snap.yaml:base: bare
/snap/kde-frameworks-5-91-qt-5-15-3-core20/1/meta/snap.yaml:base: core20
/snap/kde-frameworks-5-91-qt-5-15-3-core20/current/meta/snap.yaml:base: core20
/snap/kde-frameworks-5-96-qt-5-15-5-core20/7/meta/snap.yaml:base: core20
/snap/kde-frameworks-5-96-qt-5-15-5-core20/current/meta/snap.yaml:base: core20
/snap/kde-frameworks-5-core18/32/meta/snap.yaml:base: core18
/snap/kde-frameworks-5-core18/current/meta/snap.yaml:base: core18
/snap/kde-frameworks-5-qt-5-15-3-core20/8/meta/snap.yaml:base: core20
/snap/kde-frameworks-5-qt-5-15-3-core20/current/meta/snap.yaml:base: core20
/snap/pycharm-community/310/meta/snap.yaml:base: core18
/snap/pycharm-community/312/meta/snap.yaml:base: core18
/snap/pycharm-community/current/meta/snap.yaml:base: core18
/snap/snapd-desktop-integration/49/meta/snap.yaml:base: core20
/snap/snapd-desktop-integration/current/meta/snap.yaml:base: core20
/snap/snap-store/638/meta/snap.yaml:base: core20
/snap/snap-store/current/meta/snap.yaml:base: core20