remove superfluous tensorize method

Author: jjcmoon

src/circuit.cpp

@@ -417,7 +417,7 @@ void cleanup(void* data) noexcept {
 }
 
 
-std::pair<Arrays, Arrays> Circuit::tensorize() {
+std::pair<Arrays, Arrays> Circuit::get_indices() {
     remove_unused_nodes();
 	add_root_layer();
     //print_circuit(); // Helpful for debugging small circuits

src/circuit.h

@@ -166,9 +166,7 @@ class Circuit {
      */
     void remove_unused_nodes();
 
-    inline std::pair<Arrays, Arrays> get_indices() { return tensorize(); }
-
-    std::pair<Arrays, Arrays> tensorize();
+    std::pair<Arrays, Arrays> get_indices();
 
     /**
      * Number of nodes in the whole circuit.