Remove unused function (#2029)

* [skip ci] Remove unused function
Signed-off-by: Nshanghaikid <jiangruiyi@gmail.com>
Signed-off-by: Nruiyi.jiang <ruiyi.jiang@zilliz.com>

* remove unused function in utils.cpp
Signed-off-by: Nruiyi.jiang <ruiyi.jiang@zilliz.com>

core/src/db/Utils.cpp

@@ -221,12 +221,6 @@ IsRawIndexType(int32_t type) {
     return (type == (int32_t)EngineType::FAISS_IDMAP) || (type == (int32_t)EngineType::FAISS_BIN_IDMAP);
 }
 
-bool
-IsBinaryIndexType(int32_t index_type) {
-    return (index_type == (int32_t)engine::EngineType::FAISS_BIN_IDMAP) ||
-           (index_type == (int32_t)engine::EngineType::FAISS_BIN_IVFFLAT);
-}
-
 bool
 IsBinaryMetricType(int32_t metric_type) {
     return (metric_type == (int32_t)engine::MetricType::HAMMING) ||

core/src/db/Utils.h

@@ -48,9 +48,6 @@ IsSameIndex(const CollectionIndex& index1, const CollectionIndex& index2);
 bool
 IsRawIndexType(int32_t type);
 
-static bool
-IsBinaryIndexType(int32_t index_type);
-
 bool
 IsBinaryMetricType(int32_t metric_type);