CI: Strip packages and licences from build results to save space and bandwidth

We don't need to transfer these files if we don't use them. We only
need to ship them for release builds.

ci/build.yml

@@ -66,6 +66,14 @@ workflow:
     - kas shell $KAS_CONFIG:kas/dev/shared-cache.yml -c "bitbake virtual/bootloader -e" > build/env/bootloader.$PLATFORM.$YOCTO_SERIES.env
     - kas shell $KAS_CONFIG:kas/dev/shared-cache.yml -c "bitbake virtual/kernel -e" > build/env/kernel.$PLATFORM.$YOCTO_SERIES.env
 
+  #
+  # This script removes unused files to reduce the size of the artifacts.
+  # TODO: Keep files in release builds
+  #
+  strip:
+    - rm -rf build/tmp/deploy/ipk
+    - rm -rf build/tmp/deploy/licenses
+
 #
 # This is a template for the build job that runs the build for the requested
 # targets. The resulting artifacts expire after some time.
@@ -86,6 +94,7 @@ workflow:
     - !reference [.scripts, gitversion]
     - !reference [.scripts, cache]
     - !reference [.scripts, kas]
+    - !reference [.scripts, strip]
   artifacts:
     name: "$CI_PROJECT_NAME $CI_COMMIT_REF_NAME $PLATFORM $YOCTO_SERIES"
     paths: