qcacld-3.0: Delete use cases of INI enable_dynamic_pcie_gen_speed_switch

INI item enable_dynamic_pcie_gen_speed_switch is no longer. Hence,
delete all uses cases of it.

Change-Id: I1082620c4354bda48ebc54aae7e72e5a81c4aa94
CRs-Fixed: 3068122

components/pmo/core/src/wlan_pmo_main.c

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -262,8 +263,6 @@ static void wlan_pmo_init_cfg(struct wlan_objmgr_psoc *psoc,
 		psoc_cfg->is_bus_suspend_enabled_in_sap_mode = 0;
 		psoc_cfg->is_bus_suspend_enabled_in_go_mode = 0;
 	}
-	psoc_cfg->is_dynamic_pcie_gen_speed_change_enabled =
-		cfg_get(psoc, CFG_ENABLE_DYNAMIC_PCIE_GEN_SPEED_SWITCH);
 	psoc_cfg->default_power_save_mode = psoc_cfg->power_save_mode;
 	psoc_cfg->max_ps_poll = cfg_get(psoc, CFG_PMO_MAX_PS_POLL);