feat: use github.com/eic/eic-spack as local eic-spack repo

Instead of using the local eic-spack repo, we should use the github eic-spack repo. That centralizes and makes it easier for users to use the same package recipes.

.gitlab-ci.yml

@@ -340,11 +340,10 @@ jug_dev:default:
     ## calculate a hash based on the spack.yaml file and the spack directory
     ## and use this spack as a docker variable to force a rebuild when there
     ## is a change (versus rerun from cache)
-    - PACKAGE_HASH=$(tar cf - spack* | sha1sum | head -c40)
-    - echo "PACKAGE_HASH= ${PACKAGE_HASH}"
-    ## move spack directory and spack.yaml into the container build directory
-    - cp -r spack containers/jug
-    - cp -r spack.yaml containers/jug/spack/spack.yaml
+    - PACKAGE_HASH=$(sha1sum spack.yaml | head -c40)
+    - echo "PACKAGE_HASH=${PACKAGE_HASH}"
+    ## move spack.yaml into the container build directory
+    - cp -r spack.yaml containers/jug
     - CACHE_FLAG=""
     - |
       if [ $FORCE_NOCACHE = 1 ]; then