fix: image cache
fix: image cache

Removing width/height guessing.

The whole approach seems flawed as these functions can be called when the file isn't downloaded yet. So determineMissingDimension fails. And it still works. So I removed all the calls and it will probably be fine.

podlove/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher,podlove/podlove-publisher