libeplayer3: cleanup unused code

libeplayer3/include/container.h

@@ -6,7 +6,6 @@
 typedef enum {
     CONTAINER_INIT,
     CONTAINER_ADD,
-    CONTAINER_CAPABILITIES,
     CONTAINER_PLAY,
     CONTAINER_STOP,
     CONTAINER_SEEK,
@@ -15,13 +14,8 @@ typedef enum {
     CONTAINER_DEL,
     CONTAINER_SWITCH_AUDIO,
     CONTAINER_SWITCH_SUBTITLE,
-    CONTAINER_SWITCH_DVBSUBTITLE,
     CONTAINER_SWITCH_TELETEXT,
-    CONTAINER_INFO,
     CONTAINER_METADATA,
-    CONTAINER_STATUS,
-    CONTAINER_LAST_PTS,
-    CONTAINER_DATA
 } ContainerCmd_t;
 
 typedef struct Container_s {