Remove workaround for "other" option text

[shobhitagarwal1612]

          Thank you, @shobhitagarwal1612 ! Can we just get rid of the `[ ]` workaround altogether? Let's merge this now to fix the issue and revisit when you have time?

Originally posted by @gino-m in https://github.com/google/ground-android/pull/2621#pullrequestreview-2230233899