Update logging policy test

The removed events are unexpected, those unexpected events are no
longer processed in substate machine that cannot process them due to
changes in previous commit.

test/ft/policies_logging.cpp

@@ -180,13 +180,11 @@ test log_sub_sm = [] {
   // clang-format off
   std::vector<std::string> messages_expected = {
      "[c_log_sub_sm] e1"
-   , "[sub] e1"
    , "[c_log_sub_sm] sub(a) -> sub(b)"
    , "[c_log_sub_sm] e2"
    , "[sub] e2"
    , "[sub] idle -> terminate"
    , "[c_log_sub_sm] e3"
-   , "[sub] e3"
    , "[c_log_sub_sm] e3[guard]: true"
    , "[c_log_sub_sm] sub(b) -> terminate"
    , "[c_log_sub_sm] / action"
@@ -220,13 +218,11 @@ test log_sub_sm_mix = [] {
   // clang-format off
   std::vector<std::string> messages_expected = {
      "[c_log_sub_sm_mix] e1"
-   , "[sub] e1"
    , "[c_log_sub_sm_mix] sub(a) -> sub"
    , "[c_log_sub_sm_mix] e2"
    , "[sub] e2"
    , "[sub] idle -> terminate"
    , "[c_log_sub_sm_mix] e3"
-   , "[sub] e3"
    , "[c_log_sub_sm_mix] e3[guard]: true"
    , "[c_log_sub_sm_mix] sub -> terminate"
    , "[c_log_sub_sm_mix] / action"