Remove unused AssemblyNativeVersion

Author: josesimoes

System.IO.Streams/Properties/AssemblyInfo.cs

@@ -10,11 +10,6 @@
 [assembly: AssemblyProduct("nanoFramework.System.IO.Streams")]
 [assembly: AssemblyCopyright("Copyright (c) .NET Foundation and Contributors")]
 
-////////////////////////////////////////////////////////////////
-// update this whenever the native assembly signature changes //
-[assembly: AssemblyNativeVersion("100.0.0.1")]
-////////////////////////////////////////////////////////////////
-
 // Setting ComVisible to false makes the types in this assembly not visible 
 // to COM components.  If you need to access a type in this assembly from 
 // COM, set the ComVisible attribute to true on that type.