remove lying comment

src/stream/sosemanuk/sosemanuk.c

@@ -318,10 +318,6 @@ int sosemanuk_setup(sosemanuk_state *ss, const unsigned char *key, unsigned long
 #undef WUP0
 #undef WUP1
 
-    /*
-     * Initialize with a zero-value iv to ensure state is correct in the
-     * event user fails to call setiv().
-     */
     return CRYPT_OK;
 }