Revert "Prevent Overwriting Files with Same Slug Names (#1239)"
Revert "Prevent Overwriting Files with Same Slug Names (#1239)"

This reverts commit 9a1c668e00a0f2cfd2dfbcf0ff1b642c54c1b1bd.

netlify/netlify-cms,netlify/netlify-cms,netlify/netlify-cms,netlify/netlify-cms