1547 (LCT) implement possibility of death from hospitalization without intensive care

[annawendler]

Changes and Information

Please briefly list the changes (main added features, changed items, or corrected bugs) made:

• Add transition from Hospitalized to Dead compartment for LCT-SECIR, LCT-SEcir with two diseases and GLCT-SECIR models

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• Every addressed issue is linked (use the "Closes #ISSUE" keyword below).
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Checks by code reviewer(s)

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Closes #1547

[annawendler]

When thinking about the initialization again with regard to the LCT model, I noticed that the new transition doesn't actually affect the initialization based on RKI data which is why I removed this comment here for the IDE-SECIR model again.