Remove another needless typedef

src/or/rephist.h

@@ -117,9 +117,7 @@ extern uint32_t rephist_total_num;
 #ifdef TOR_UNIT_TESTS
 extern int onion_handshakes_requested[MAX_ONION_HANDSHAKE_TYPE+1];
 extern int onion_handshakes_assigned[MAX_ONION_HANDSHAKE_TYPE+1];
-typedef struct bw_array_t bw_array_t;
 extern bw_array_t *write_array;
 #endif
 
 #endif
-