Remove setpriv from dependencies (bugfix) (#2310)

Remove setpriv from dependencies

setpriv deosn't exist anymore, it is in utils-linux which is in every
base but core and core18

Author: Hook25

checkbox-core-snap/series20/snap/snapcraft.yaml

@@ -206,7 +206,6 @@ parts:
       - zlib1g-dev
       - build-essential
     stage-packages:
-      - setpriv # used to downgrade AmbientCapabilities of systemd-based runner
       - python3-markupsafe
       - python3-jinja2
       - python3-packaging

checkbox-core-snap/series22/snap/snapcraft.yaml

@@ -213,7 +213,6 @@ parts:
       - zlib1g-dev
       - build-essential
     stage-packages:
-      - setpriv # used to downgrade AmbientCapabilities of systemd-based runner
       - python3-markupsafe
       - python3-jinja2
       - python3-packaging

checkbox-core-snap/series24/snap/snapcraft.yaml

@@ -154,7 +154,6 @@ parts:
     source: checkbox-support
     source-type: local
     stage-packages:
-      - setpriv # used to downgrade AmbientCapabilities of systemd-based runner
       # actual requirements
       - python3-bluez
       - python3-pyparsing