nixos/onlyoffice: don't drop database on start

If nextcloud is down, or the changes can otherwise not be saved back
to nextcloud (e.g. because of [1]), the onlyoffice database contains
_all the user data_ and should absolutely not be dropped on startup!

[1]: ONLYOFFICE/onlyoffice-nextcloud#931

nixos/modules/services/web-apps/onlyoffice.nix

@@ -260,12 +260,7 @@ in
             ${jsonFormat.generate "onlyoffice-nixos.json" cfg.settings} > /run/onlyoffice/config/nixos.json
             jq '. * $nixos[0]' /run/onlyoffice/config/default.json.orig --slurpfile nixos /run/onlyoffice/config/nixos.json > /run/onlyoffice/config/default.json
 
-            if psql -d onlyoffice -c "SELECT 'task_result'::regclass;" >/dev/null; then
-              psql -f ${cfg.package}/var/www/onlyoffice/documentserver/server/schema/postgresql/removetbl.sql
-              psql -f ${cfg.package}/var/www/onlyoffice/documentserver/server/schema/postgresql/createdb.sql
-            else
-              psql -f ${cfg.package}/var/www/onlyoffice/documentserver/server/schema/postgresql/createdb.sql
-            fi
+            psql -f ${cfg.package}/var/www/onlyoffice/documentserver/server/schema/postgresql/createdb.sql
           '';
         in
         {