Revert "Support diffing for unrelated commits. (#32015)"
Created by: varungandhi-src
This reverts commit 6661e4e12aeb26ad9f6eae4a59b9ee84ddb868a3.
Test plan
This broke back-compat tests. https://buildkite.com/sourcegraph/sourcegraph/builds/137653
Created by: varungandhi-src
This reverts commit 6661e4e12aeb26ad9f6eae4a59b9ee84ddb868a3.
This broke back-compat tests. https://buildkite.com/sourcegraph/sourcegraph/builds/137653