[ecash-agora] Patch dockerfile again, bump version

Summary: Remove debug testing line from the dockerfile patch. Version bump to get the patch.

Test Plan: docker build -f ecash-agora.Dockerfile -t ecash-agora_local .

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D18854