solr8 wip try removing jvm heap args

Author: barmintor

docker/templates/docker-compose.test.yml

@@ -23,8 +23,6 @@ services:
       - solr-precreate
       - dcv
       - /opt/solr/conf
-      - "-Xms256m"
-      - "-Xmx512m"
     healthcheck:
       # this is a backend test so port will always be 8983 - NOT the forwarded port
       test: ["CMD-SHELL", "curl -sf http://solr:8983/solr/dcv/admin/ping?wt=json | grep -io \"OK\" || exit 1"]