cockpit: remove deprecated packages

This commit removes from the recipe the following deprecated packages:
- `cockpit-docker`: cockpit project no longer supports Docker since version 228
  [1]
- `cockpit-machines`: cockpit-machines is now provided in a dedicated
  repository [2], and code base has been removed since version 242 [3]

[1]: https://cockpit-project.org/blog/cockpit-228.html
[2]: https://github.com/cockpit-project/cockpit-machines
[3]: https://cockpit-project.org/blog/cockpit-242.html

Signed-off-by: Paul Le Guen de Kerneizon <paul.leguendekerneizon@savoirfairelinux.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit a495fd2a54)
Signed-off-by: Leonard Anderweit <l.anderweit@phytec.de>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

meta-webserver/recipes-webadmin/cockpit/cockpit_304.bb

@@ -60,10 +60,8 @@ PACKAGES =+ " \
     ${PN}-sosreport \
     ${PN}-storaged \
     ${PN}-networkmanager \
-    ${PN}-machines \
     ${PN}-selinux \
     ${PN}-playground \
-    ${PN}-docker \
     ${PN}-dashboard \
     ${PN}-packagekit \
     ${PN}-apps \
@@ -103,19 +101,11 @@ FILES:${PN}-networkmanager = " \
 "
 RDEPENDS:${PN}-networkmanager = "networkmanager"
 
-FILES:${PN}-machines = " \
-    ${datadir}/cockpit/machines \
-    ${datadir}/metainfo/org.cockpit-project.cockpit-machines.metainfo.xml \
-"
 FILES:${PN}-selinux = " \
     ${datadir}/cockpit/selinux \
     ${datadir}/metainfo/org.cockpit-project.cockpit-selinux.metainfo.xml \
 "
 FILES:${PN}-playground = "${datadir}/cockpit/playground"
-FILES:${PN}-docker = " \
-    ${datadir}/cockpit/docker \
-    ${datadir}/metainfo/org.cockpit-project.cockpit-docker.metainfo.xml \
-"
 FILES:${PN}-dashboard = "${datadir}/cockpit/dashboard"
 ALLOW_EMPTY:${PN}-dashboard = "1"