Remove the necessity of license.txt file since the license is alredy stored in jbilling.properties
Remove the necessity of license.txt file since the license is alredy stored in jbilling.properties

liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1