Update build host and postgres libs

Bumping the postgres libs showed that the upstream build images
were EOL, so we're now running a more modern version of Java
and have migrated the build to ubuntu LTS

build_util/build_rpm

@@ -1,12 +0,0 @@
-#!/bin/bash
-set -e
-
-cd /root
-cp -Rv build build2
-cd build2
-
-SPEC=$(ls *.spec)
-VER=$(grep Version $SPEC | awk '{print $2}')
-tar cvf $HOME/rpmbuild/SOURCES/uJETL-${VER}.tar.gz --show-transformed --transform="s/^\./uJETL-${VER}/"  .
-rpmbuild -ba $SPEC
-cp /root/rpmbuild/RPMS/x86_64/* /root/build/

build_util/build_rpms_in_docker

@@ -1,6 +0,0 @@
-#!/bin/bash
-set -e
-
-docker build --rm -t local/c7-buildhost docker/build
-
-docker run -it --rm -v `pwd`:/root/build local/c7-buildhost /root/build/build_util/build_rpm