amd64/pmap: remove debug code.

Author: chucksilvers

sys/amd64/amd64/machdep.c

@@ -1303,9 +1303,7 @@ hammer_time(u_int64_t modulep, u_int64_t physfree)
 
 	TSRAW(&thread0, TS_ENTER, __func__, NULL);
 
-	printf("CHUQ %s physfree 0x%lx\n", __func__, physfree);
 	physfree = round_page(physfree);
-	printf("CHUQ %s physfree now 0x%lx\n", __func__, physfree);
 
 	kernphys = amd64_loadaddr();