REGTESTS: Use `feature cmd` for 2.5+ tests (2)

This patch effectively is identical to 7ba98480cc.

reg-tests/connection/cli_src_dst.vtc

@@ -1,7 +1,6 @@
 varnishtest "Test multi-level client source and destination addresses"
 
-#REQUIRE_VERSION=2.5
-
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
 feature ignore_unknown_macro
 
 haproxy h1 -conf {

reg-tests/http-messaging/http_transfer_encoding.vtc

@@ -1,7 +1,7 @@
 varnishtest "A test to validate Transfer-Encoding header conformance to the spec"
-feature ignore_unknown_macro
 
-#REQUIRE_VERSION=2.5
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
+feature ignore_unknown_macro
 
 server s1 {
     rxreq

reg-tests/http-messaging/srv_ws.vtc

@@ -3,11 +3,10 @@
 
 varnishtest "h2 backend websocket management via server keyword"
 
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
+feature cmd "$HAPROXY_PROGRAM -cc 'feature(OPENSSL)'"
 feature ignore_unknown_macro
 
-#REQUIRE_VERSION=2.5
-#REQUIRE_OPTION=OPENSSL
-
 # haproxy server
 haproxy hapsrv -conf {
 	defaults

reg-tests/http-rules/default_rules.vtc

@@ -1,7 +1,6 @@
 varnishtest "Test declaration of HTTP rules in default sections"
 
-#REQUIRE_VERSION=2.5
-
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
 feature ignore_unknown_macro
 
 server s1 {

reg-tests/startup/default_rules.vtc

@@ -1,7 +1,6 @@
 varnishtest "Misuses of defaults section defining TCP/HTTP rules"
 
-#REQUIRE_VERSION=2.5
-
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
 feature ignore_unknown_macro
 
 #

reg-tests/tcp-rules/default_rules.vtc

@@ -1,7 +1,6 @@
 varnishtest "Test declaration of TCP rules in default sections"
 
-#REQUIRE_VERSION=2.5
-
+feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.5-dev0)'"
 feature ignore_unknown_macro
 
 server s1 {