Remove unused jq dependency

This should allow the agt-get update command to be cached between all
our images again.

docker/prover-service.Dockerfile

@@ -3,7 +3,7 @@ FROM ubuntu:jammy
 ARG TARGETARCH
 
 RUN apt-get update \
-    &&  apt-get install -y curl libcurl4 wait-for-it tini jq \
+    &&  apt-get install -y curl libcurl4 wait-for-it tini \
     &&  rm -rf /var/lib/apt/lists/*
 ENTRYPOINT ["tini", "--"]