+ ignore the 'Closable' flag in closeDocument()

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5413 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d

src/App/Application.cpp

@@ -308,9 +308,6 @@ bool Application::closeDocument(const char* name)
     if (pos == DocMap.end()) // no such document
         return false;
 
-    if (!pos->second->isClosable())
-        return false;
-
     // Trigger observers before removing the document from the internal map.
     // Some observers might rely on that this document is still there.
     signalDeleteDocument(*pos->second);