REGTESTS: log: Reduce response inspect-delay for last_rule.vtc

Because of the previous fix, log/last_rule.vtc script is failing. The
inspect-delay is no longer shorten when the end of the message is
reached. Thus WAIT_END acl is trully respected. 10s is too high and hit the
Vtext timeout, making the script fails.
diff --git a/reg-tests/log/last_rule.vtc b/reg-tests/log/last_rule.vtc
index e695166..c69ebd8 100644
--- a/reg-tests/log/last_rule.vtc
+++ b/reg-tests/log/last_rule.vtc
@@ -69,7 +69,7 @@
 	#  /hrqvar, /hrqacc1, /hrqred1, /hrqrej1, /hrqrej2,
 	#  /hrsacc1, /hrsred1, /hrsrej1, /hrsrej2
 
-	tcp-response inspect-delay 10s
+	tcp-response inspect-delay 1s
         tcp-request  content set-var(txn.path) path  # must have no effect
         tcp-request  content accept if { var(txn.path) -m beg /trqacc1 /hrqrej1 }
         tcp-request  content reject if { var(txn.path) -m beg /trqrej1 }