Revert "Add back legacy webkit options"

This reverts commit 3ff2584460ddd3dcd9f88532498d26211459726d.
Revert "Use classic webview"

This reverts commit 89fa1965251f72b3b260dc732f66d3f68f08533f.
Revert "Fix zooming in preview"

This reverts commit 0713118ddee089ee0355933377497f07ce487f79.
Revert "Remove preview workarounds completely"

This reverts commit 30d8bce5e46f7fda5002b8be7dd5ecae66b31974.