docs: Remove automated undo and redo test case

These were automated in WordPress/gutenberg#49352. This test was left in place due to the known issues, but there is little value in doing so. The known issues are capture as individual issues in GitHub. https://github.com/wordpress-mobile/test-cases/pull/147/files#r1255412693
wordpress-mobile · Jul 8, 2023 · 46262fe · 46262fe
1 parent 9f248b3
commit 46262fe
Showing 1 changed file with 0 additions and 19 deletions.
diff --git a/test-cases/gutenberg/writing-flow/undo-redo.md b/test-cases/gutenberg/writing-flow/undo-redo.md