CI: Correcting link to CPO

Signed-off-by: Thomas Karl Pietrowski <thopiekar@gmail.com> (github: thopiekar)

.gitlab-ci.yml

@@ -26,12 +26,9 @@ package:
     - package:python3
     - type:shell
   script:
-    - curl https://thopiekar.eu:5443/cura-plugins/CuraPluginOven/raw/deployment/cpo.py?inline=false --output cpo.py
+    - curl https://git.thopiekar.eu/Cura/plugins/CuraPluginOven/raw/deployment/cpo.py?inline=false --output cpo.py
     - python3 ./cpo.py --create=package610 --source=./
     - python3 ./cpo.py --create=package600 --source=./
-    - python3 ./cpo.py --create=package5 --source=./
-    - python3 ./cpo.py --create=package4 --source=./
-    - python3 ./cpo.py --create=plugin4 --source=./
     - python3 ./cpo.py --create=source --source=./
   only:
     - triggers