Debugger: Remove QScriptDebugClient

This officially removes support for QtQuick1 debugging.

Change-Id: Id3b6e64bb8e250ba57589b4e747f4ad33d3e03a6
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

src/plugins/debugger/qml/qml.pri

@@ -3,7 +3,6 @@ HEADERS += \
     $$PWD/qmladapter.h \
     $$PWD/baseqmldebuggerclient.h \
     $$PWD/qmlcppengine.h \
-    $$PWD/qscriptdebuggerclient.h \
     $$PWD/qmlv8debuggerclient.h \
     $$PWD/interactiveinterpreter.h \
     $$PWD/qmlv8debuggerclientconstants.h \
@@ -15,7 +14,6 @@ SOURCES += \
     $$PWD/qmladapter.cpp \
     $$PWD/baseqmldebuggerclient.cpp \
     $$PWD/qmlcppengine.cpp \
-    $$PWD/qscriptdebuggerclient.cpp \
     $$PWD/qmlv8debuggerclient.cpp \
     $$PWD/interactiveinterpreter.cpp \
     $$PWD/qmlinspectoragent.cpp \