Revert "[Cashtab] Auto add latest commit hash to configure"

Summary:
This reverts commit 6f7926708dc22da2a762408292ce39c60e291bbb.
Reverts D10431, will need to use a different approach; container build wont work with git commands

Test Plan: N/A, make sure unit tests and build tests pass

Reviewers: #bitcoin_abc, kieran709

Reviewed By: #bitcoin_abc, kieran709

Differential Revision: https://reviews.bitcoinabc.org/D10432