Update CHANGELOG for v1.0.6

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,13 +1,5 @@
 # Change Log
 
-## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/HEAD)
-
-[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.6-preview.9...HEAD)
-
-**Documentation and other chores:**
-
-- Work on native assembly declaration [\#42](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/42) [[Breaking-Change](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/labels/Breaking-Change)]
-
 ## [v1.0.6-preview.9](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.6-preview.9) (2019-06-20)
 [Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.6-preview.6...v1.0.6-preview.9)
 
@@ -27,6 +19,7 @@
 
 **Documentation and other chores:**
 
+- Work on native assembly declaration [\#42](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/42) [[Breaking-Change](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/labels/Breaking-Change)]
 - Bumps nanoFramework.CoreLibrary from 1.2.2-preview.20 to 1.2.4-preview.1 [\#38](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/38)
 - Bumps nanoFramework.CoreLibrary from 1.2.1-preview-001 to 1.2.2-preview.20 [\#37](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/37)