core,plugins: remove initial power down sequence

We no longer power down the modem during initialization, so remove that
implementation.

plugins/cinterion/mm-broadband-modem-cinterion.c

@@ -1203,8 +1203,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_access_technologies_finish = load_access_technologies_finish;
     iface->setup_flow_control = setup_flow_control;
     iface->setup_flow_control_finish = setup_flow_control_finish;
-    iface->modem_init_power_down = modem_power_down;
-    iface->modem_init_power_down_finish = modem_power_down_finish;
     iface->modem_power_down = modem_power_down;
     iface->modem_power_down_finish = modem_power_down_finish;
 }

plugins/gobi/mm-broadband-modem-gobi.c

@@ -114,8 +114,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_access_technologies = load_access_technologies;
     iface->load_access_technologies_finish = load_access_technologies_finish;
 
-    iface->modem_init_power_down = NULL;
-    iface->modem_init_power_down_finish = NULL;
     iface->modem_power_down = NULL;
     iface->modem_power_down_finish = NULL;
 }

plugins/iridium/mm-broadband-modem-iridium.c

@@ -473,8 +473,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->modem_power_up_finish = NULL;
     iface->modem_power_down = NULL;
     iface->modem_power_down_finish = NULL;
-    iface->modem_init_power_down = NULL;
-    iface->modem_init_power_down_finish = NULL;
 
     /* Supported modes cannot be queried */
     iface->load_supported_modes = load_supported_modes;

plugins/motorola/mm-broadband-modem-motorola.c

@@ -79,8 +79,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_power_state_finish = NULL;
     iface->modem_power_up = NULL;
     iface->modem_power_up_finish = NULL;
-    iface->modem_init_power_down = NULL;
-    iface->modem_init_power_down_finish = NULL;
     iface->modem_power_down = NULL;
     iface->modem_power_down_finish = NULL;
 }

plugins/nokia/mm-broadband-modem-nokia.c

@@ -204,8 +204,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_power_state_finish = NULL;
     iface->modem_power_up = NULL;
     iface->modem_power_up_finish = NULL;
-    iface->modem_init_power_down = NULL;
-    iface->modem_init_power_down_finish = NULL;
     iface->modem_power_down = NULL;
     iface->modem_power_down_finish = NULL;
 

plugins/sierra/mm-broadband-modem-sierra.c

@@ -1167,8 +1167,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_power_state_finish = mm_common_sierra_load_power_state_finish;
     iface->modem_power_up = mm_common_sierra_modem_power_up;
     iface->modem_power_up_finish = mm_common_sierra_modem_power_up_finish;
-    iface->modem_init_power_down = modem_power_down;
-    iface->modem_init_power_down_finish = modem_power_down_finish;
     iface->modem_power_down = modem_power_down;
     iface->modem_power_down_finish = modem_power_down_finish;
     iface->create_sim = mm_common_sierra_create_sim;

plugins/wavecom/mm-broadband-modem-wavecom.c

@@ -1162,8 +1162,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->setup_flow_control_finish = setup_flow_control_finish;
     iface->modem_power_up = modem_power_up;
     iface->modem_power_up_finish = modem_power_up_finish;
-    iface->modem_init_power_down = modem_power_down;
-    iface->modem_init_power_down_finish = modem_power_down_finish;
     iface->modem_power_down = modem_power_down;
     iface->modem_power_down_finish = modem_power_down_finish;
 }

plugins/zte/mm-broadband-modem-zte.c

@@ -576,8 +576,6 @@ iface_modem_init (MMIfaceModem *iface)
 {
     iface->modem_after_sim_unlock = modem_after_sim_unlock;
     iface->modem_after_sim_unlock_finish = modem_after_sim_unlock_finish;
-    iface->modem_init_power_down = modem_power_down;
-    iface->modem_init_power_down_finish = modem_power_down_finish;
     iface->modem_power_down = modem_power_down;
     iface->modem_power_down_finish = modem_power_down_finish;
     iface->load_access_technologies = load_access_technologies;

src/mm-broadband-modem-qmi.c

@@ -7467,8 +7467,6 @@ iface_modem_init (MMIfaceModem *iface)
     iface->load_supported_bands_finish = modem_load_supported_bands_finish;
     iface->load_supported_modes = modem_load_supported_modes;
     iface->load_supported_modes_finish = modem_load_supported_modes_finish;
-    iface->modem_init_power_down = modem_power_down;
-    iface->modem_init_power_down_finish = modem_power_up_down_finish;
     iface->load_power_state = load_power_state;
     iface->load_power_state_finish = load_power_state_finish;
 

src/mm-iface-modem.h

@@ -58,14 +58,6 @@ struct _MMIfaceModem {
                                                            GAsyncResult *res,
                                                            GError **error);
 
-    /* Asynchronous modem power-down operation run during initialization */
-    void (*modem_init_power_down) (MMIfaceModem *self,
-                                   GAsyncReadyCallback callback,
-                                   gpointer user_data);
-    gboolean (*modem_init_power_down_finish) (MMIfaceModem *self,
-                                              GAsyncResult *res,
-                                              GError **error);
-
     /* Loading of the Manufacturer property */
     void (*load_manufacturer) (MMIfaceModem *self,
                                GAsyncReadyCallback callback,