Remove dead code and extra newlines

bin/varnishtest/tests/d00000.vtc

@@ -10,7 +10,6 @@ server s2 {
 	txresp -body "22"
 } -start
 
-
 server s3 {
 	rxreq
 	txresp -body "333"
@@ -35,10 +34,6 @@ varnish v1 -vcl+backend {
 	sub vcl_backend_fetch {
 		set bereq.backend = rr.backend();
 	}
-
-	sub vcl_backend_response {
-		set beresp.http.where = bereq.backend + "-->" + beresp.backend;
-	}
 } -start
 
 client c1 {

bin/varnishtest/tests/d00001.vtc

@@ -32,7 +32,6 @@ varnish v1 -vcl+backend {
 	sub vcl_backend_fetch {
 		set bereq.backend = fb1.backend();
 	}
-
 } -start
 
 varnish v1 -cliok "backend.set_health s1 sick"

bin/varnishtest/tests/d00003.vtc

@@ -42,14 +42,8 @@ varnish v1 -vcl+backend {
 			set bereq.backend = h1.backend(bereq.url);
 		}
 	}
-
-	sub vcl_backend_response {
-		set beresp.http.where = bereq.backend + "-->" + beresp.backend;
-	}
-
 } -start
 
-
 client c1 {
 	txreq -url /1
 	rxresp