Remove the XXXs from esi.vtc, it's not a problem.

The discrepancy in ReqAcct is due to changes in Varnish master since
about December 2020, which have evidently not been backported to
6.0. See commit e4fd1761.

src/tests/esi.vtc

@@ -51,9 +51,6 @@ varnish v1 -vcl+backend {
 
 logexpect l1 -v v1 -g request {
 	expect 0 1001   Begin   "^req .* rxreq"
-	# XXX slight changes from the expectations for 6.5.1 and master
-	# in March 2021
-	#expect * =	ReqAcct	"^35 0 35 187 75 262$"
 	expect * =	ReqAcct	"^35 0 35 187 104 291$"
 	expect 0 =      End
 } -start
@@ -78,8 +75,6 @@ logexpect l4 -v v1 -g request {
 
 logexpect l5 -v v1 -g request {
 	expect * 1005   Begin   "^req .* rxreq"
-	# XXX also slightly changed, as above
-	#expect * =	ReqAcct	"^35 0 35 192 75 267$"
 	expect * =	ReqAcct	"^35 0 35 192 104 296$"
 	expect 0 =      End
 } -start