The latest posting on the blog of the local party (though clearly a reproduction of a Great George Street media release) applies. It is possible to read this as a fulfilment of one of the few realistic warnings by George Osborne before the EU referendum. However, it is quite likely that the Conservatives were always going to drop the commitment from any post-2015 manifesto. They had stopped claiming credit for the specific (and Liberal Democrat) policy some time ago.
It was noticeable at Prime Minister's Questions yesterday that the blow which shook Mrs May was landed not by the leader of the official opposition with his six questions but by Angus Robertson with his two.