Remove pouch counter from Runecraft plugin

As it is no longer possible to accurately determine amount of essence in
runecrafting pouch due to varbits for it being removed, remove the
feature.

Closes #5667

Signed-off-by: Tomas Slusny <slusnucky@gmail.com>

runelite-api/src/main/java/net/runelite/api/Varbits.java

@@ -49,14 +49,6 @@ public enum Varbits
 	 */
 	CHAT_SCROLLBAR_ON_LEFT(6374),
 
-	/**
-	 * Runecraft pouches
-	 */
-	POUCH_SMALL(603),
-	POUCH_MEDIUM(604),
-	POUCH_LARGE(605),
-	POUCH_GIANT(606),
-
 	/**
 	 * Runepouch
 	 */