mod_storage_sql: Remove unused and not actually returned return value [luacheck]
The :delete throws an error, it does not return one like this.
-- Enables SQL query logging
--
-- luacheck: ignore 213/uri
module:set_global();
local engines = module:shared("/*/sql/connections");
for uri, engine in pairs(engines) do
engine:debug(true);
end
setmetatable(engines, {
__newindex = function (t, uri, engine)
engine:debug(true);
rawset(t, uri, engine);
end
});
function module.unload()
setmetatable(engines, nil);
for uri, engine in pairs(engines) do
engine:debug(false);
end
end