Remove is_fading from the global WPS state

Turns out it was never assigned and always false.

Change-Id: I8cd9118682e7a0785c262d4c0594f8f51412c18b

apps/gui/skin_engine/skin_tokens.c

@@ -1044,8 +1044,7 @@ const char *get_token_value(struct gui_wps *gwps,
             int mode = 1; /* stop */
             if (status == STATUS_PLAY)
                 mode = 2; /* play */
-            if (state->is_fading ||
-               (status == STATUS_PAUSE  && !status_get_ffmode()))
+            if (status == STATUS_PAUSE && !status_get_ffmode())
                 mode = 3; /* pause */
             else
             {   /* ff / rwd */

apps/gui/skin_engine/wps_internals.h

@@ -403,7 +403,6 @@ struct wps_state
     struct mp3entry* nid3;
     int  ff_rewind_count;
     bool paused;
-    bool is_fading;
 };
 
 /* change the ff/rew-status

apps/gui/wps.c

@@ -1070,11 +1070,3 @@ static void wps_state_init(void)
     add_event(PLAYBACK_EVENT_TRACK_SKIP, track_info_callback);
 #endif
 }
-
-
-#ifdef IPOD_ACCESSORY_PROTOCOL
-bool is_wps_fading(void)
-{
-    return skin_get_global_state()->is_fading;
-}
-#endif

apps/gui/wps.h

@@ -30,11 +30,6 @@ void pause_action(bool updatewps);
 void unpause_action(bool updatewps);
 void wps_do_playpause(bool updatewps);
 
-#ifdef IPOD_ACCESSORY_PROTOCOL
-/* whether the wps is fading the volume due to pausing/stopping */
-bool is_wps_fading(void);
-#endif /* IPOD_ACCESSORY_PROTOCOL */
-
 /* in milliseconds */
 #define DEFAULT_SKIP_THRESH          3000l