Adjust nuget description following review

Author: josesimoes

UnitsNet.NanoFramework/GeneratedCode/Temperature/UnitsNet.NanoFramework.Temperature.nuspec

@@ -9,8 +9,7 @@
     <license type="expression">MIT</license>
     <projectUrl>https://github.com/angularsen/UnitsNet</projectUrl>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
-    <description>Adds temperature units for Units.NET on .NET nanoFramework.&#10; 
-For C#/VB Universal Windows code (UWP), use UnitsNet instead. Get all the common units of measurement and the conversions between them. </description>
+    <description>Adds temperature units for Units.NET on .NET nanoFramework.&#10; For .NET or .NET Core, use UnitsNet instead.</description>
     <iconUrl>https://raw.githubusercontent.com/angularsen/UnitsNet/ce85185429be345d77eb2ce09c99d59cc9ab8aed/Docs/Images/logo-32.png</iconUrl>
     <releaseNotes>
     </releaseNotes>