wifi: iwlwifi: remove support of several iwl_ppag_table_cmd versions

We only need to support version 1, 5 and 7.
Remove versions 2, 3, 4 and 6.

Reviewed-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.10d91f675505.Idd3a6da568261ee738918f290168a2ddaa87196b@changeid