try not to restart pg

Author: def-

src/materialized/ci/entrypoint.sh

@@ -41,9 +41,7 @@ EOF
 
 # Start PostgreSQL, unless suppressed.
 if [ -z "${MZ_NO_BUILTIN_POSTGRES:-}" ]; then
-  (trap 'pg_ctlcluster 16 main stop --mode=fast --force' SIGTERM SIGINT
-  rm -f /var/run/postgresql/.s.PGSQL.26257.lock
-  pg_ctlcluster 16 main start
+  (pg_ctlcluster 16 main start || true
   psql -U postgres -c "CREATE ROLE root WITH LOGIN PASSWORD 'root'" || true
   psql -U postgres -c "CREATE DATABASE root OWNER root" || true
   psql -U root -c "CREATE SCHEMA IF NOT EXISTS consensus; CREATE SCHEMA IF NOT EXISTS storage; CREATE SCHEMA IF NOT EXISTS adapter; CREATE SCHEMA IF NOT EXISTS tsoracle") &