Revert "Fix link for `Ownership and data flow` in GPUI's README.md" (#47630)

Reverts zed-industries/zed#47599

The link here was intentional and linking to a file within GPUI, hence
reverting.

Release Notes: 

- N/A
0af2e843ceFinn Evers committed on 1/26/2026, 8:30:33 AM· committed by GitHubparent95cf4ab
1 file changedLine totals unavailable