Revert "patch more_set_prog_path"

This reverts commit b2fcff900d.

This snuck in unintentionally due to my weak git-fu,
and was breaking things.

167

@@ -13,6 +13,7 @@ owner=dgc@sgi.com
 seq=`basename $0`
 echo "QA output created by $seq"
 
+killall="/usr/bin/killall"
 here=`pwd`
 tmp=/tmp/$$
 rm -f $seq.full
@@ -21,7 +22,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 
 _cleanup()
 {
-	$KILLALL_PROG -r -q -TERM fsstress 2> /dev/null
+	killall -r -q -TERM fsstress 2> /dev/null
 	sync	# ensures all fsstress processes died
 	_cleanup_testdir
 }
@@ -43,7 +44,7 @@ workout()
 _supported_fs xfs
 _supported_os Linux
 
-[ -x $KILLALL_PROG ] || _notrun "killall executable not found"
+[ -x $killall ] || _notrun "$killall executable not found"
 
 _setup_testdir
 _require_scratch