Debugger: Reduce line noise

Move some function out of the DebuggerCore "namespace", to avoid one
indirection and removes clutter in the calling code.

Change-Id: I1c870d5c7eeade32fa63dedf581490fbb090cd6a
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/pdb/pdbengine.cpp

@@ -730,9 +730,9 @@ void PdbEngine::updateLocals()
     }
 
     QByteArray options;
-    if (debuggerCore()->boolSetting(UseDebuggingHelpers))
+    if (boolSetting(UseDebuggingHelpers))
         options += "fancy,";
-    if (debuggerCore()->boolSetting(AutoDerefPointers))
+    if (boolSetting(AutoDerefPointers))
         options += "autoderef,";
     if (options.isEmpty())
         options += "defaults,";