Router: type arguments, unused imports

router/java/src/net/i2p/data/i2np/DatabaseLookupMessage.java

...ava/src/net/i2p/data/i2np/DatabaseSearchReplyMessage.java

router/java/src/net/i2p/data/i2np/I2NPMessageException.java

router/java/src/net/i2p/data/i2np/I2NPMessageImpl.java

router/java/src/net/i2p/router/Banlist.java

router/java/src/net/i2p/router/Blocklist.java

router/java/src/net/i2p/router/ClientManagerFacade.java

router/java/src/net/i2p/router/CommSystemFacade.java

router/java/src/net/i2p/router/InNetMessagePool.java

router/java/src/net/i2p/router/KeyManager.java

router/java/src/net/i2p/router/MessageHistory.java

router/java/src/net/i2p/router/MultiRouter.java

router/java/src/net/i2p/router/NetworkDatabaseFacade.java

router/java/src/net/i2p/router/OutNetMessage.java

router/java/src/net/i2p/router/Router.java

router/java/src/net/i2p/router/RouterClock.java

router/java/src/net/i2p/router/RouterContext.java

...ava/src/net/i2p/router/client/ClientConnectionRunner.java

router/java/src/net/i2p/router/client/ClientManager.java

...va/src/net/i2p/router/client/ClientManagerFacadeImpl.java