Update UTFConverter.cpp

samples/SharedCode/UTFConverter.cpp

@@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
 
 Copyright (c) 2006-2020, assimp team
 
-
-
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
@@ -46,7 +44,5 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace AssimpSamples {
 namespace SharedCode {
 
-//typename UTFConverter::UTFConverterImpl UTFConverter::impl_;
-
 }
 }