Mikel Martín 09d9f367b6 MDL-78204 availability: Remove 'showmore' from availability_info
- Remove 'showmore' logic from the base availability_info renderable.
Other components rendering the availability information should handle the showmore/showless behaviour themselves.

- Deprecate JS module and string.

- Move availability_info header generation logic to a new protected function to improve code readability.
2023-06-26 09:32:36 +02:00
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