java: remove unused parameters

Change-Id: I47c618117e079bb2ef90d92c449c8166ea957fa5
java: remove unused parameters

Change-Id: Ifc44c51ddbd21fabaad686bc3d38e2dab54d97aa
java: remove unused methods

Change-Id: I1abc51f66bc7d7f7135bf5cdee4fae653b2837ec
java: remove unused parameters

Change-Id: I9ae22afc27ac0d2051f06885f363845e9b4ce2ff