Revert "CHG updated what's new.md"

This reverts commit 24b02da81c473a9be4996cffa1c767861dacf742.
CHG edit correct what's new.md

dist/preview release/what's new.md

@@ -62,6 +62,7 @@
 - AssetContainer dispose method ([TrevorDev](https://github.com/TrevorDev))
 - Loading texture with KTX will fallback to non-KTX loader if KTX loader fails ([TrevorDev](https://github.com/TrevorDev))
 - `Layer` are now supported in `RenderTargetTexture` ([Sebavan](https://github.com/Sebavan))
+- Added `Tools.CustomRequestHeaders`, `Tools.UseCustomRequestHeaders`, `Tools.InjectCustomRequestHeaders` to send Custom Request Headers alongside XMLHttpRequest's i.e. when loading files (Tools.Loadfile) from resources requiring special headers like 'Authorization' ([susares](https://github.com/susares))
 
 ### glTF Loader
 

what's new.md

@@ -133,7 +133,6 @@
 - Added optional alphaFilter parameter to ```CreateGroundFromHeightMap``` to allow for heightmaps to be created that ignore any transparent data ([Postman-nz](https://github.com/Postman-nz))
 - Fixed renormalization of mesh weights to in cleanMatrixWeights function. ([Bolloxim](https://github.com/Bolloxim))
 - Added a validationSkin function to report out any errors on skinned meshes. ([Bolloxim](https://github.com/Bolloxim))
-- Added Tools.CustomRequestHeaders to send Custom Request Headers alongside XMLHttpRequest's i.e. when loading files (Tools.Loadfile) from resources requiring special headers like 'Authorization' ([susares](https://github.com/susares))
 
 
 ### glTF Loader