Clean thread_routing test stub (ARMmbed#1832)

Remove unnecessary declarations from thread_routing_stub.c

test/nanostack/unittest/stub/thread_routing_stub.c

@@ -21,11 +21,6 @@
 #include <ns_list.h>
 #include <nsdynmemLIB.h>
 
-#ifndef UINT_FAST4_MAX
-typedef uint_fast8_t    uint_fast4_t;
-#define UINT_FAST4_MAX  UINT_FAST8_MAX
-#endif
-
 #define THREAD_ROUTING_FN extern
 
 #include  <net_thread_test.h>
@@ -40,30 +35,11 @@ typedef uint_fast8_t    uint_fast4_t;
 
 #define TRACE_GROUP "trou"
 
-/* MLE Route Data bit assignments (draft-kelsey-thread-routing-00) */
-#define ROUTE_DATA_OUT_MASK     0xC0
-#define ROUTE_DATA_OUT_SHIFT    6
-#define ROUTE_DATA_IN_MASK      0x30
-#define ROUTE_DATA_IN_SHIFT     4
-#define ROUTE_DATA_COST_MASK    0x0F
-
-#define MAX_ROUTE_COST          0x0F
-
-typedef uint_fast4_t thread_route_cost_t;
-#define THREAD_COST_INFINITE    0
-
-#define MAX_LINK_AGE 100*10     /* 100 seconds */
-
-#define LINK_AGE_STATIC 0xFFFF  /* Magic number to indicate "never expire" */
-
-
 bool router_id_sequence_is_greater(const thread_routing_info_t *routing, uint8_t seq)
 {
     return false;
 }
 
-#define LINK_QUALITY_HYSTERESIS (1 << THREAD_LINK_MARGIN_SCALING)   /* 1dB */
-
 bool thread_i_am_router(const protocol_interface_info_entry_t *cur)
 {
     return false;