Removed a redundant exposure file in a risk demo
Removed a redundant exposure file in a risk demo


Former-commit-id: a393737f7d2df640277feb2368bbdbf5484831e9 [formerly a393737f7d2df640277feb2368bbdbf5484831e9 [formerly cd64092a18a510eb7c832ed829ff1f34fb59b3f2]]
Former-commit-id: f1339e03b5ac765592bc244fc53146007f0b010c
Former-commit-id: 99fb2879062d1145d1d7af39baa9fb8a89150643
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine