Core: Remove Core::Id(QByteArray) constructor

This was mostly used to disambiguate the char * and the QString
constructors.

Change-Id: Ib6923ef8e8c0e5d514a883e73aa001a1cd9fb534
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/vcsbase/basevcseditorfactory.cpp

@@ -61,7 +61,7 @@ public:
 
 BaseVcsEditorFactoryPrivate::BaseVcsEditorFactoryPrivate(const VcsBaseEditorParameters *t) :
     m_type(t),
-    m_id(QByteArray(t->id)),
+    m_id(t->id),
     m_mimeTypes(QStringList(QLatin1String(t->mimeType))),
     m_editorHandler(new TextEditor::TextEditorActionHandler(t->context))
 {