update test conf to fix jenkins failures

tests/test-tls13-down.conf

@@ -49,7 +49,6 @@
 
 # client TLSv1.2, should fail
 -v 3
--l ECDHE-RSA-AES256-GCM-SHA384
 -H exitWithRet
 
 # server TLSv1.2 
@@ -59,7 +58,6 @@
 
 # client TLSv1.3, should fail
 -v 4
--l TLS13-AES128-GCM-SHA256
 -H exitWithRet
 
 # server TLSv1.2 
@@ -73,7 +71,6 @@
 # expect to be failure
 -7 4
 -v d
--l TLS13-AES128-GCM-SHA256
 -H exitWithRet
 
 # server
@@ -88,7 +85,6 @@
 # minimum downgradable TLSv 1.3
 -7 4
 -v d
--l TLS13-AES128-GCM-SHA256
 
 # server
 # enable downgrade
@@ -99,7 +95,6 @@
 
 # client TLSv 1.2
 -v 3
--l ECDHE-RSA-AES256-GCM-SHA384
 
 # server
 # enable downgrade
@@ -112,5 +107,4 @@
 
 # client TLSv 1.2
 -v 3
--l ECDHE-RSA-AES256-GCM-SHA384
 -H exitWithRet