Fix regression in core service deserialization (#1367)

Introducing data into the standard out in the core service will
cause deserialization problems, as the pipes are used for interprocess
communication.

src/Core/Unix/CoreUnix.cpp

@@ -728,7 +728,6 @@ namespace VeraCrypt
 		}
 		catch (...)
 		{
-			wcout << L"Exception. Error mounting volume: " << wstring(*options.Path) << endl;
 			try
 			{
 				VolumeInfoList mountedVolumes = GetMountedVolumes (*options.Path);