settings: move cookie secret into oidc

src/settings.js

@@ -7,9 +7,6 @@ exports = module.exports = {
     getTimeZone,
     setTimeZone,
 
-    getCookieSecret,
-    setCookieSecret,
-
     getCloudronName,
     setCloudronName,
 
@@ -116,7 +113,7 @@ exports = module.exports = {
     // strings
     AUTOUPDATE_PATTERN_KEY: 'autoupdate_pattern',
     TIME_ZONE_KEY: 'time_zone',
-    CLOUDRON_COOKIE_SECRET_KEY: 'cookie_secret',
+    OIDC_COOKIE_SECRET_KEY: 'cookie_secret',
     CLOUDRON_NAME_KEY: 'cloudron_name',
     LANGUAGE_KEY: 'language',
     CLOUDRON_ID_KEY: 'cloudron_id',
@@ -324,19 +321,6 @@ async function getTimeZone() {
     return tz;
 }
 
-async function getCookieSecret() {
-    const secret = await get(exports.CLOUDRON_COOKIE_SECRET_KEY);
-    return secret;
-}
-
-async function setCookieSecret(secret) {
-    assert.strictEqual(typeof secret, 'string');
-
-    if (!secret) throw new BoxError(BoxError.BAD_FIELD, 'secret is empty');
-
-    await set(exports.CLOUDRON_COOKIE_SECRET_KEY, secret);
-}
-
 async function getCloudronName() {
     const name = await get(exports.CLOUDRON_NAME_KEY);
     if (name === null) return gDefaults[exports.CLOUDRON_NAME_KEY];