Remove unused function declarations from aan.

Reference: /n/sources/patch/applied/aan-decl
Date: Sat Mar 30 11:33:59 CET 2013
Signed-off-by: djc@9grid.fr

--- /sys/src/cmd/aan.c	Sat Mar 30 11:33:47 2013
+++ /sys/src/cmd/aan.c	Sat Mar 30 11:33:44 2013
@@ -68,10 +68,8 @@
 static void	fromclient(void*);
 static void	fromnet(void*);
 static Endpoints *getendpoints(char *);
-static int	getport(char *);
 static void	packhdr(Hdr *, uchar *);
 static void	reconnect(void);
-static int 	sendcommand(ulong, ulong);
 static void	showmsg(int, char *, Buf *);
 static void	synchronize(void);
 static void	timerproc(void *);