Remove Feed from default collection

[kjaymiller]

Collections by default currently have Feeds. These feeds will be invalid if the collection is not a blog or customized with some date fields.

The feeds should be removed from the default collection.

render-engine/src/render_engine/collection.py

Lines 60 to 61 in e16e6ad

	Feed: RSSFeed
	feed_title: str

[kjaymiller]

More Thought on This:

I still believe that it doesn't make sense to have this attribute that requires fields that are not included in collection (date).

There are a few options that I would lean on other devs for some opinion on.

Option 1: Leave the RSSFeed in the collection

It is an option.

Option 2: Add RSSFeed to blog

move all the methods and other things to Blog which does have the date field.

Option 3: Create a RSSFeed Class that can be passed into the collection that has a date field.

I like this as it makes a distinction that can be added to any collection but tells the collection that there is a date expected. It also means that we can do things like add checks for attributes, assign guids, etcs