@WorkerThread
    @Override
    public boolean uploadPersonalNote(@NonNull final Geocache cache) {
        final boolean uploaded = GCParser.uploadPersonalNote(cache).blockingGet();
        if (uploaded) {
            DataStore.saveChangedCache(cache);
        }
        return uploaded;
    }
Remove a cache from the favorites list.
<br>
This must not be called from the UI thread.

@param cache the cache to add
@return {@code true} if the cache was successfully added, {@code false} otherwise
main/src/main/java/cgeo/geocaching/connector/gc/GCConnector.java