fix(util): remove no reference function

source/util/src/tcompression.c

@@ -371,6 +371,7 @@ int32_t tsDecompressBoolImp(const char *const input, const int32_t nelements, ch
   return nelements;
 }
 
+#if 0
 /* Run Length Encoding(RLE) Method */
 int32_t tsCompressBoolRLEImp(const char *const input, const int32_t nelements, char *const output) {
   int32_t _pos = 0;
@@ -419,6 +420,7 @@ int32_t tsDecompressBoolRLEImp(const char *const input, const int32_t nelements,
     }
   }
 }
+#endif
 
 /* ----------------------------------------------String Compression
  * ---------------------------------------------- */

source/util/src/tdigest.c

@@ -183,6 +183,7 @@ void tdigestAdd(TDigest *t, double x, int64_t w) {
   if (t->num_buffered_pts >= t->threshold) tdigestCompress(t);
 }
 
+#if 0
 double tdigestCDF(TDigest *t, double x) {
   if (t == NULL) return 0;
 
@@ -233,6 +234,7 @@ double tdigestCDF(TDigest *t, double x) {
 
   return 1;
 }
+#endif
 
 double tdigestQuantile(TDigest *t, double q) {
   if (t == NULL) return 0;