i2ptunnel: type arguments, unused imports

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/ConnThrottler.java

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnel.java

...i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelClient.java

...unnel/java/src/net/i2p/i2ptunnel/I2PTunnelClientBase.java

...el/java/src/net/i2p/i2ptunnel/I2PTunnelConnectClient.java

...unnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPClient.java

...l/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPClientBase.java

...tunnel/java/src/net/i2p/i2ptunnel/I2PTunnelIRCClient.java

...i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelServer.java

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2Ping.java

...2ptunnel/java/src/net/i2p/i2ptunnel/TunnelController.java

...nel/java/src/net/i2p/i2ptunnel/TunnelControllerGroup.java

...nnel/java/src/net/i2p/i2ptunnel/irc/DCCClientManager.java

...el/java/src/net/i2p/i2ptunnel/irc/I2PTunnelDCCServer.java

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/irc/IRCFilter.java

...va/src/net/i2p/i2ptunnel/localServer/LocalHTTPServer.java

...nnel/java/src/net/i2p/i2ptunnel/socks/I2PSOCKSTunnel.java

...i2ptunnel/java/src/net/i2p/i2ptunnel/socks/MultiSink.java

...tunnel/java/src/net/i2p/i2ptunnel/socks/ReplyTracker.java

...tunnel/java/src/net/i2p/i2ptunnel/socks/SOCKS5Server.java