Selector: correct removed version number

Fixes gh-696
Ref gh-702

Author: arthurvr

entries/selector.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<entry type="property" name="selector" return="String" deprecated="1.7" removed="1.9">
+<entry type="property" name="selector" return="String" deprecated="1.7" removed="3.0">
   <title>.selector</title>
   <signature>
     <added>1.3</added>