patch 9.0.0117: text of removed textprop with text is not freed

Problem:    Text of removed textprop with text is not freed.
Solution:   Free the text when the property is removed.  Reduce the array size
            to ignore NULLs at the end.

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    117,
 /**/
     116,
 /**/