removed redundant faction functions

Luis C.M. will add API.getFactions() which returns the FactionController. All these functions use the faction controller anyway.
Also Luis PR already has entity.getDimension and world.spawnEntity

src/main/java/noppes/npcs/scripted/entity/ScriptEntity.java

@@ -318,10 +318,6 @@ public class ScriptEntity<T extends Entity> implements IEntity {
 	public void setPos(IPos pos) {
 		this.entity.setPosition((double)((float)pos.getX() + 0.5F), (double)pos.getY(), (double)((float)pos.getZ() + 0.5F));
 	}
-	
-	public int getDimension() {
-		return entity.dimension;
-	}
 
 	/**
 	 * @param range The search range for entities around this entity