Revert "execute kdump_post after do_default_action"

This reverts commit f4c45236bf.
Since that commit will change the behaviour of kdump_post. That is not
good.

Signed-off-by: Baoquan He <bhe@redhat.com>

dracut-kdump-error-handler.sh

@@ -6,6 +6,5 @@ set -o pipefail
 export PATH=$PATH:$KDUMP_SCRIPT_DIR
 
 get_kdump_confs
-do_kdump_post 1
 do_default_action
 do_final_action

dracut-kdump.sh

@@ -35,6 +35,13 @@ do_kdump_pre()
     fi
 }
 
+do_kdump_post()
+{
+    if [ -n "$KDUMP_POST" ]; then
+        "$KDUMP_POST" "$1"
+    fi
+}
+
 add_dump_code()
 {
     DUMP_INSTRUCTION=$1

kdump-lib-initramfs.sh

@@ -161,10 +161,3 @@ do_final_action()
 {
     eval $FINAL_ACTION
 }
-
-do_kdump_post()
-{
-    if [ -n "$KDUMP_POST" ]; then
-        "$KDUMP_POST" "$1"
-    fi
-}