F25 was removed, but the translation key still exists

In snapshot 4, unused GLFW functionality that would let you bind controls to a twenty-fifth function key if it existed was removed. The game now rejects such a control if found in the options menu. However it appears that the translation string still exists and is entirely unused, which can be verified in-game:

/tellraw @s {"translate":"key.keyboard.f25"}

Expected result would be for this string to be moved to deprecated, or removed entirely, as it is completely orphaned in its current state.