cleanup workaround for neon db

We are now using the llink database within our gcp datbase instances, so
likely won't be needing this workaround

go/internal/db/connect.go

@@ -5,7 +5,6 @@ import (
 	"log/slog"
 	"os"
 
-	"github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
@@ -26,14 +25,7 @@ func Init() {
 		os.Exit(1)
 	}
 
-	config, err := pgxpool.ParseConfig(connString)
-	if err != nil {
-		slog.Error("unable to parse connection string", "error", err)
-		os.Exit(1)
-	}
-	config.ConnConfig.DefaultQueryExecMode = pgx.QueryExecModeCacheDescribe
-
-	dbpool, err := pgxpool.NewWithConfig(context.Background(), config)
+	dbpool, err := pgxpool.New(context.Background(), connString)
 	if err != nil {
 		slog.Error("unable to create connection pool", "error", err)
 		os.Exit(1)