Debugger: fix metatype declaration macro usage

in places where we do not need it.

Change-Id: Ifb7eba6f46bf79f2cfe968ab8b71cca3a7d51efd
Reviewed-by: hjk <hjk@theqtcompany.com>
Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>

src/libs/qmldebug/baseenginedebugclient.h

@@ -245,7 +245,6 @@ private:
 
 Q_DECLARE_METATYPE(QmlDebug::ObjectReference)
 Q_DECLARE_METATYPE(QmlDebug::EngineReference)
-Q_DECLARE_METATYPE(QList<QmlDebug::EngineReference>)
 Q_DECLARE_METATYPE(QmlDebug::ContextReference)
 
 QT_BEGIN_NAMESPACE

src/plugins/debugger/cdb/cdbengine.cpp

@@ -76,9 +76,6 @@
 
 #include <cctype>
 
-Q_DECLARE_METATYPE(Debugger::Internal::DisassemblerAgent*)
-Q_DECLARE_METATYPE(Debugger::Internal::MemoryAgent*)
-
 enum { debug = 0 };
 enum { debugLocals = 0 };
 enum { debugSourceMapping = 0 };

src/plugins/debugger/watchhandler.h

@@ -170,6 +170,6 @@ private:
 } // namespace Internal
 } // namespace Debugger
 
-Q_DECLARE_METATYPE(Debugger::Internal::DisplayFormats)
+Q_DECLARE_METATYPE(Debugger::Internal::DisplayFormat)
 
 #endif // DEBUGGER_WATCHHANDLER_H

tests/manual/debugger/simple/simple_test_app.cpp

@@ -4292,8 +4292,6 @@ namespace qthread {
 
 
 Q_DECLARE_METATYPE(QHostAddress)
-Q_DECLARE_METATYPE(QList<int>)
-Q_DECLARE_METATYPE(QStringList)
 
 typedef QMap<uint, QStringList> QMapUIntQStringList;
 Q_DECLARE_METATYPE(QMapUIntQStringList)