Stop explicitly installing npm package (in addition to nodejs) on Bookworm-based images

Apparently, NodeSource has changed their policy and packages `npm` in the `nodejs` package again.

Author: michaelbaudino

Dockerfile

@@ -109,7 +109,6 @@ RUN set -eux; \
           jq \
           nano \
           nodejs \
-          $([ "${debianReleaseCodename}" = "bookworm" ] && echo "npm") \
           postgresql-client \
           vim \
         ; \