MEDIUM: config: Deprecate tune.ssl.capture-cipherlist-size

Deprecate tune.ssl.capture-cipherlist-size in favor of
tune.ssl.capture-buffer-size which better describes the purpose of the
setting.
diff --git a/reg-tests/ssl/ssl_errors.vtc b/reg-tests/ssl/ssl_errors.vtc
index 0d652d4..d8fea43 100644
--- a/reg-tests/ssl/ssl_errors.vtc
+++ b/reg-tests/ssl/ssl_errors.vtc
@@ -106,7 +106,7 @@
 haproxy h1 -conf {
     global
         tune.ssl.default-dh-param 2048
-        tune.ssl.capture-cipherlist-size 1
+        tune.ssl.capture-buffer-size 1
         stats socket "${tmpdir}/h1/stats" level admin
 
     defaults