Editors: Move id() from editor to document.

Change-Id: Ib81076842ab1c16832224790194b001206404d64
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/pythoneditor/pythoneditor.cpp

@@ -50,7 +50,6 @@ namespace Internal {
 PythonEditor::PythonEditor(EditorWidget *editorWidget)
     :BaseTextEditor(editorWidget)
 {
-    setId(Constants::C_PYTHONEDITOR_ID);
     setContext(Core::Context(Constants::C_PYTHONEDITOR_ID,
                              TextEditor::Constants::C_TEXTEDITOR));
 }