test: remove unnecessary uv_fs_stat() calls

`check_utime()` already calls `uv_fs_stat()`, no point in doing it
twice.

PR-URL: libuv#2747
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/test-fs.c

@@ -2539,11 +2539,7 @@ TEST_IMPL(fs_utime) {
   ASSERT(req.result == 0);
   uv_fs_req_cleanup(&req);
 
-  r = uv_fs_stat(NULL, &req, path, NULL);
-  ASSERT(r == 0);
-  ASSERT(req.result == 0);
   check_utime(path, atime, mtime, /* test_lutime */ 0);
-  uv_fs_req_cleanup(&req);
 
   atime = mtime = 1291404900; /* 2010-12-03 20:35:00 - mees <3 */
   checkme.path = path;
@@ -2645,11 +2641,7 @@ TEST_IMPL(fs_futime) {
 #endif
   uv_fs_req_cleanup(&req);
 
-  r = uv_fs_stat(NULL, &req, path, NULL);
-  ASSERT(r == 0);
-  ASSERT(req.result == 0);
   check_utime(path, atime, mtime, /* test_lutime */ 0);
-  uv_fs_req_cleanup(&req);
 
   atime = mtime = 1291404900; /* 2010-12-03 20:35:00 - mees <3 */