del: Remove usage: We simply run

discard.c

@@ -32,11 +32,6 @@ struct {
 static char iobuf[16384] = { 0 };
 static struct iovec iov[1024];
 
-void usage( char* name ) {
-    fprintf( stderr, "usage: %s [-h]\n", name );
-    exit( -1 );
-}
-
 int add_epoll( int events, int fd ) {
     int rc;
     struct epoll_event ev;
@@ -150,15 +145,6 @@ int main( int argc, char *argv[] ) {
 
     cfg.port = 9;
 
-    while( ( opt = getopt( argc, argv, "h" ) ) != -1 ) {
-        switch( opt ) {
-        case 'h':
-        default:
-            usage( argv[0] );
-            break;
-        }
-    }
-
     sigset_t all;
     sigfillset( &all );
     sigprocmask( SIG_SETMASK, &all, NULL );