Adapt key export test in ssl-opt.sh to reduced output

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index d122111..4210847 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -8555,12 +8555,6 @@
             "$P_SRV eap_tls=1 debug_level=3" \
             "$P_CLI eap_tls=1 debug_level=3" \
             0 \
-            -s "exported maclen is " \
-            -s "exported keylen is " \
-            -s "exported ivlen is "  \
-            -c "exported maclen is " \
-            -c "exported keylen is " \
-            -c "exported ivlen is " \
             -c "EAP-TLS key material is:"\
             -s "EAP-TLS key material is:"\
             -c "EAP-TLS IV is:" \