Fix York Harvard title

https://forums.zotero.org/discussion/91547/change-of-style-name#latest

Author: adam3smith

university-of-york-harvard.csl

@@ -2,7 +2,7 @@
 <style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" and="text" delimiter-precedes-last="never" page-range-format="expanded" demote-non-dropping-particle="sort-only" default-locale="en-GB">
   <!-- This style was edited with the Visual CSL Editor (http://editor.citationstyles.org/visualEditor/) -->
   <info>
-    <title>University of York - Harvard</title>
+    <title>University of York - Harvard (pre September 2019 entry)</title>
     <title-short>UoY Harvard</title-short>
     <id>http://www.zotero.org/styles/university-of-york-harvard</id>
     <link href="http://www.zotero.org/styles/university-of-york-harvard" rel="self"/>