MSVC: Do not cut of last character of predefined macro values

The output is split at newlines, so remove the code that cuts of
the last character, claiming that to be a newline.

Task-number: QTCREATORBUG-16559
Change-Id: Id2c40bc919d257c4e3570441545ac6c43af151d2
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/projectexplorer/msvctoolchain.cpp

@@ -259,8 +259,6 @@ QByteArray MsvcToolChain::msvcPredefinedMacros(const QStringList cxxflags,
             QStringList split = line.split('=');
             const QString key = split.at(0).mid(1);
             QString value = split.at(1);
-            if (!value.isEmpty())
-                value.chop(1); //remove '\n'
             predefinedMacros += "#define ";
             predefinedMacros += key.toUtf8();
             predefinedMacros += ' ';