chore(Analytics): Removed dash from dotnet version

Author: mediumTaj

src/IBM.WatsonDeveloperCloud/Http/HttpFactory.cs

@@ -55,7 +55,7 @@ public static HttpRequestMessage GetRequestMessage(HttpMethod method, Uri resour
                     Constants.SDK_VERSION, 
                     os,
                     osVersion,
-                    System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription.Replace(" ", "-")
+                    System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription.Replace(" ", "")
                 ));
 
             return request;