Valgrind: Compile fix.

Change-Id: I8e1254c6955b7fd3aa42cec8036daedc4301fcaa
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/valgrind/suppressiondialog.cpp

@@ -55,7 +55,6 @@
 #include <QLabel>
 #include <QPlainTextEdit>
 
-using namespace Analyzer;
 using namespace Valgrind::XmlProtocol;
 
 namespace Valgrind {