[3/4] Completely remove HWCODEC support

'swcodec' is now always set (and recording_swcodec for recording-capable
units) in feature.txt so the manual and language strings don't need to
all be fixed up.

Change-Id: Ib2c9d5d157af8d33653e2d4b4a12881b9aa6ddb0

apps/action.c

@@ -832,10 +832,8 @@ static inline int update_action_last(action_last_t *last, action_cur_t *cur)
     last->data   = button_get_data();
     last->tick   = current_tick;
 
-#if CONFIG_CODEC == SWCODEC
     /* Produce keyclick */
     keyclick_click(false, action);
-#endif
 
     return action;
 }