hwloc/doc: remove 2.9.* doc before 2.9.3

Signed-off-by: Brice Goglin <[email protected]>

projects/hwloc/doc/index.php

@@ -89,7 +89,7 @@ function print_docs($desc, $letterpdf, $a4pdf, $html) {
 
 print($blank_line);
 
-$versions = array("v2.9.3", "v2.9.2", "v2.9.1", "v2.9.0");
+$versions = array("v2.9.3");
 $first = 1;
 foreach ($versions as $key => $v) {
     print_docs("Release $v (stable" . (!$first ? ", old" : "") . ")",