make TDB can compile

source/libs/tdb/src/db/tdbUtil.c

@@ -30,20 +30,5 @@ int tdbGnrtFileID(const char *fname, uint8_t *fileid, bool unique) {
     ((uint64_t *)fileid)[2] = taosRand();
   }
 
-  return 0;
-}
-
-int tdbGetFileSize(const char *fname, int pgSize, SPgno *pSize) {
-  struct stat st;
-  int         ret;
-  int64_t     file_size = 0;
-  ret = taosStatFile(fname, &file_size, NULL);
-  if (ret != 0) {
-    return -1;
-  }
-
-  ASSERT(file_size % pgSize == 0);
-
-  *pSize = file_size / pgSize;
   return 0;
 }
\ No newline at end of file

source/libs/tdb/src/inc/tdbUtil.h

@@ -30,8 +30,6 @@ extern "C" {
 
 int tdbGnrtFileID(const char *fname, uint8_t *fileid, bool unique);
 
-int tdbGetFileSize(const char *fname, int pgSize, SPgno *pSize);
-
 #define TDB_REALLOC(PTR, SIZE)                                                               \
   ({                                                                                         \
     void *nPtr;                                                                              \