Revert "PRIV_TASK vtc: tolerate fini order"

These efforts lead nowhere. The problem needed to be solved at the root.

This reverts commit 05e79574.
This reverts commit b02c7843.

bin/varnishtest/tests/r02451.vtc

@@ -53,10 +53,9 @@ logexpect l1 -v v1 -g raw -d 1 {
 	expect 0 *    VCL_Log           {^func something to remember}
 	expect 0 *    Debug             {^objx.priv_task.*"something to remember".$}
 	expect 0 *    VCL_Log           {^obj something to remember}
-	# string stored in obj priv_task can already been freed,
-	# depending on the order
-	expect 0 *    Debug             {^priv_task_free|^obj_priv_task_fini}
-	expect 0 *    Debug             {^priv_task_free|^obj_priv_task_fini}
+	expect 0 *    Debug             {^priv_task_free}
+	# string stored in obj priv_task has already been freed
+	expect 0 *    Debug             {^obj_priv_task_fini}
 	expect 0 *    Debug             {^vcl1: VCL_EVENT_WARM}
 } -start
 

bin/varnishtest/tests/v00041.vtc

@@ -120,9 +120,9 @@ logexpect l0 -v v1 -g raw -d 1 -q "vxid == 0 and not ExpKill" {
 	expect 0 =    VCL_Log		{^objc initX}
 	expect 0 =    Debug		{^objb.priv_task.. = .*"initY"}
 	expect 0 =    VCL_Log		{^objb initY}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini}
+	expect 0 =    Debug		{^priv_task_free}
+	expect 0 =    Debug		{^obj_priv_task_fini.*"initX"}
+	expect 0 =    Debug		{^obj_priv_task_fini.*"initY"}
 	expect 0 =    Debug		{^vcl1: VCL_EVENT_WARM}
 
 	# 1001/1002
@@ -132,11 +132,11 @@ logexpect l0 -v v1 -g raw -d 1 -q "vxid == 0 and not ExpKill" {
 	expect 0 =    Debug		{^test_priv_task.*new.$}
 	expect 0 =    Debug		{^test_priv_task.*update.$}
 	expect 0 =    Debug		{^test_priv_task.*exists.$}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini.*"r1002"}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini.*"r1002"}
+	expect 0 =    Debug		{^priv_task_free}
+	expect 0 =    Debug		{^obj_priv_task_fini.*"r1002"}
 	expect 0 =    Debug		{^test_priv_task.*exists}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini.*"d1001"}
-	expect 0 =    Debug		{^priv_task_free|^obj_priv_task_fini.*"d1001"}
+	expect 0 =    Debug		{^priv_task_free}
+	expect 0 =    Debug		{^obj_priv_task_fini.*"d1001"}
 
 	# ...
 	# 1006 pipe