Remove second copy of time. Refs #2467. [t:2467].

git-svn-id: file:///svn/toku/tokudb@18658 c7de825b-a66e-492c-adef-691d508d4ae1

linux/file.c

@@ -213,12 +213,6 @@ static uint64_t get_tnow(void) {
     return tv.tv_sec * 1000000ULL + tv.tv_usec;
 }
 
-static uint64_t get_tnow(void) {
-    struct timeval tv;
-    int r = gettimeofday(&tv, NULL); assert(r == 0);
-    return tv.tv_sec * 1000000ULL + tv.tv_usec;
-}
-
 // keep trying if fsync fails because of EINTR
 int
 toku_file_fsync(int fd) {