patch 9.0.1073: using "xterm-kitty" for 'term' causes problems

Problem:    Using "xterm-kitty" for 'term' causes problems.
Solution:   Remove the "xterm-" part when 'term' is set from $TERM.  Detect a
            few kitty-specific properties based on the version response
            instead of the terminal name.

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1073,
 /**/
     1072,
 /**/