Profile78 => Profile259, which is the same profile without WCF, for Ix.Net

Ix.NET/Source/Common.targets

@@ -81,7 +81,7 @@
     <DefineConstants>$(DefineConstants);HAS_AWAIT</DefineConstants>
     <TargetFrameworkIdentifier>.NETPortable</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Profile78</TargetFrameworkProfile>
+    <TargetFrameworkProfile>Profile259</TargetFrameworkProfile>
     <NoStdLib>true</NoStdLib>
     <BuildFlavor>DESKTOPCLR45</BuildFlavor>
   </PropertyGroup>
@@ -204,4 +204,4 @@
    </PropertyGroup>
  </Target>
   
-</Project>
+</Project>