remove min

source/tensor/core/reduce/VectorBuffer.h

@@ -117,10 +117,4 @@ class VectorBuffer{
             }
             return *this;
         }
-        inline VectorBuffer min(const VectorBuffer &a) {
-            for (int i = 0; i != a.size(); i++) {
-                this->values[i] = std::min(a[i], this->values[i]);
-            }
-            return *this;
-        }
 };
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