Get rid of most of the various inline macros.

test/stress/microbench.c

@@ -1,6 +1,6 @@
 #include "test/jemalloc_test.h"
 
-JEMALLOC_INLINE_C void
+static inline void
 time_func(timedelta_t *timer, uint64_t nwarmup, uint64_t niter,
     void (*func)(void)) {
 	uint64_t i;