Remove duplicated config refresh callbacks

modules/access/dshow/dshow.cpp

@@ -223,12 +223,10 @@ vlc_module_begin ()
 
     add_string( CFG_PREFIX "vdev", NULL, VDEV_TEXT, VDEV_LONGTEXT, false)
         change_string_cb( FindDevicesCallback )
-        change_action_add( FindDevicesCallback, N_("Refresh list") )
         change_action_add( ConfigDevicesCallback, N_("Configure") )
 
     add_string( CFG_PREFIX "adev", NULL, ADEV_TEXT, ADEV_LONGTEXT, false)
         change_string_cb( FindDevicesCallback )
-        change_action_add( FindDevicesCallback, N_("Refresh list") )
         change_action_add( ConfigDevicesCallback, N_("Configure") )
 
     add_string( CFG_PREFIX "size", NULL, SIZE_TEXT, SIZE_LONGTEXT, false)

modules/audio_output/alsa.c

@@ -82,7 +82,6 @@ vlc_module_begin ()
     add_string ("alsa-audio-device", "default",
                 AUDIO_DEV_TEXT, AUDIO_DEV_LONGTEXT, false)
         change_string_cb( FindDevicesCallback )
-        change_action_add( FindDevicesCallback, N_("Refresh list") )
     add_integer ("alsa-audio-channels", AOUT_CHANS_FRONT,
                  AUDIO_CHAN_TEXT, AUDIO_CHAN_LONGTEXT, false)
         change_integer_list (channels, channels_text)

modules/audio_output/directx.c

@@ -144,7 +144,6 @@ vlc_module_begin ()
     add_string( "directx-audio-device", "default",
              DEVICE_TEXT, DEVICE_LONGTEXT, false )
         change_string_cb( ReloadDirectXDevices )
-        change_action_add( ReloadDirectXDevices, N_("Refresh list") )
     add_obsolete_string( "directx-audio-device-name")
     add_bool( "directx-audio-float32", false, FLOAT_TEXT,
               FLOAT_LONGTEXT, true )

modules/audio_output/waveout.c

@@ -145,7 +145,6 @@ vlc_module_begin ()
     add_string( "waveout-audio-device", "wavemapper",
                  DEVICE_TEXT, DEVICE_LONG, false )
        change_string_cb( ReloadWaveoutDevices )
-       change_action_add( ReloadWaveoutDevices, N_("Refresh list") )
     add_sw_gain( )
 
     add_bool( "waveout-float32", true, FLOAT_TEXT, FLOAT_LONGTEXT, true )

modules/video_output/msw/directx.c

@@ -103,7 +103,6 @@ vlc_module_begin()
               TRIPLEBUF_LONGTEXT, true)
     add_string("directx-device", "", DEVICE_TEXT, DEVICE_LONGTEXT, true)
         change_string_cb(FindDevicesCallback)
-        change_action_add(FindDevicesCallback, N_("Refresh list"))
 
     set_capability("vout display", 230)
     add_shortcut("directx")