fix: remove journalbeat from build; it fails and we don't use it

packages/deployment/Dockerfile

@@ -1,10 +1,13 @@
 ARG TAG=latest
 ARG REPO=agoric/agoric-sdk
-FROM golang:buster AS go-build
 
-WORKDIR /usr/src/journalbeat
-RUN apt-get update -y && apt-get install -y libsystemd-dev
-RUN go get github.com/mheese/journalbeat
+# FIXME: Journalbeat compilation is currently broken, but non-essential.
+# Removed from the build.
+# FROM golang:buster AS go-build
+
+# WORKDIR /usr/src/journalbeat
+# RUN apt-get update -y && apt-get install -y libsystemd-dev
+# RUN go get github.com/mheese/journalbeat
 
 FROM $REPO:$TAG
 
@@ -20,8 +23,8 @@ RUN echo 'deb http://ppa.launchpad.net/ansible/ansible/ubuntu trusty main' >> /e
     apt-get install -y ansible rsync curl sudo gnupg2 jq python-jmespath && \
     apt-get clean -y
 
-# Copy journalbeat for logging support
-COPY --from=go-build /go/bin/journalbeat /usr/local/bin/
+# # Copy journalbeat for logging support
+# COPY --from=go-build /go/bin/journalbeat /usr/local/bin/
 
 WORKDIR /usr/src/app
 RUN ln -sf $PWD/setup/ag-setup-cosmos /usr/local/bin/