If you do not know, then each part of the banana tree is used as food.
As a Sri Lankan, we never removed any parts of banana tree. Especially my family members really like to eat banana stem curry. It's so delicious and most nutritious. However in this thunderstrom period be safe since home. So many natural disasters happening via stroms.
Its part of every rural home in India - no work is needed, they just grow on their own.