wifi: iwlwifi: mvm: remove STARTING state

Now that the retry loop only happens when timeouts occur
and firmware errors are different, we no longer need the
STARTING state with all the infrastructure for it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241227095718.c55d73436521.I08e9f6a71d56f86872bca4d4e3048faa113a7120@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>