iwlwifi: remove duplicate iwl_ax201_cfg_qu_hr declaration

This configuration struct is declared twice, remove one of the
declarations.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.a08c905ec25b.Iff706f9d5b7b666e306549c419d04dcd4d81e5fd@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-config.h

@@ -588,7 +588,6 @@ extern const struct iwl_cfg iwl_qu_b0_hr_b0;
 extern const struct iwl_cfg iwl_qu_c0_hr_b0;
 extern const struct iwl_cfg iwl_ax200_cfg_cc;
 extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;
-extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;
 extern const struct iwl_cfg iwl_ax201_cfg_qu_c0_hr_b0;
 extern const struct iwl_cfg iwl_ax201_cfg_quz_hr;
 extern const struct iwl_cfg iwl_ax1650i_cfg_quz_hr;