Revert "Tree: add "go up" the tree button (#39138)"
Created by: mrnugget
This reverts commit 1ce169689a648fd6f76e76d5430ab219c1e51097 introduced in https://github.com/sourcegraph/sourcegraph/pull/39138 because it broke the build and locked main.
Failures:
- https://buildkite.com/sourcegraph/sourcegraph/builds/162391#01822069-d4f1-49c8-8e44-c19b7f3f4512
- https://buildkite.com/sourcegraph/sourcegraph/builds/162402#018220bc-b488-4371-ad2a-bf98e69ae411
- https://buildkite.com/sourcegraph/sourcegraph/builds/162403#018220c1-7215-416b-a327-e412c051e77f
- https://buildkite.com/sourcegraph/sourcegraph/builds/162404#018220f5-f5e8-4877-aeff-d14b4685ef0e
Test plan
- N/A
App preview:
Check out the client app preview documentation to learn more.