Add sslmode = disable by default. Deleted an unnecessary command

terraform/aws/scenarios/omnibus-external-postgresql/files/provision-postgres.sh

@@ -1,7 +1,7 @@
 echo "deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main" > /etc/apt/sources.list.d/pgdg.list
 wget --quiet https://www.postgresql.org/media/keys/ACCC4CF8.asc
 apt-key add ACCC4CF8.asc
-echo "hoping something along these lines will help: https://unix.stackexchange.com/questions/389156/how-to-fix-held-broken-packages"
+echo "hoping something along these lines will help fix unmet and held deps error: https://unix.stackexchange.com/questions/389156/how-to-fix-held-broken-packages"
 echo "configure"
 dpkg --configure -a
 echo "update"
@@ -14,12 +14,10 @@ echo "install ssl-cert"
 apt-get install ssl-cert -y
 echo "install sysstat"
 apt-get install sysstat -y
-echo "install -f1"
+echo "install -f"
 apt-get install -f
 echo "install postgres"
 apt-get install postgresql-9.6 -y
-echo "install -f2"
-apt-get install -f
 echo "host    all             all            $1/32         md5" >> /etc/postgresql/9.6/main/pg_hba.conf
 echo "listen_addresses='*'" >> /etc/postgresql/9.6/main/postgresql.conf
 service postgresql restart

terraform/aws/scenarios/omnibus-external-postgresql/templates/chef-server.rb.tpl

@@ -15,6 +15,7 @@ postgresql['port'] = 5432
 postgresql['db_superuser'] = "bofh"
 postgresql['db_superuser_password'] = "i1uvd3v0ps"
 postgresql['external'] = true
+postgresql['sslmode'] = "disable"
 opscode_erchef['db_pool_size'] = 10
 oc_id['db_pool_size'] = 10
 oc_bifrost['db_pool_size'] = 10