Move QmlConsole to Debugger

Now it is closer to its only user and possibly reusable for no-QML uses
there.  We also drop the QML/JS syntax checker. The application being
debugged can already tell us about syntax errors. There is no need to
duplicate that functionality.

Change-Id: I2ba151f9f4c854c6119ba5462c21be40bddcebf9
Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/qml/qmlengineutils.cpp

@@ -32,7 +32,7 @@
 
 #include <qmljs/parser/qmljsast_p.h>
 #include <qmljs/qmljsmodelmanagerinterface.h>
-#include <qmljs/consolemanagerinterface.h>
+#include <debugger/console/console.h>
 
 #include <coreplugin/editormanager/documentmodel.h>
 
@@ -228,9 +228,7 @@ void appendDebugOutput(QtMsgType type, const QString &message, const QDebugConte
         return;
     }
 
-    if (auto consoleManager = ConsoleManagerInterface::instance())
-        consoleManager->printToConsolePane(new ConsoleItem(itemType, message, info.file,
-                                                           info.line));
+    debuggerConsole()->printItem(new ConsoleItem(itemType, message, info.file, info.line));
 }
 
 void clearExceptionSelection()