Refactor file names to better understand inheritance of the skeleton of RZ algorithms

algorithm/roditty_zwick.h

@@ -1,29 +0,0 @@
-#ifndef RODITTY_ZWICK_H_
-#define RODITTY_ZWICK_H_
-
-namespace algo {
-
-template<typename T>
-class RodittyZwick {
-public:
-  ~RodittyZwick();
-
-  // This method is implemented and executed by all roditty and zwick
-  // algorithms, it constructs the data structures used in other operations
-  virtual void init() =0;
-
-  // Answer if vertex v is reachable from vertex u
-  virtual bool query(const T& u, const T& v) =0;
-
-  // Remove edge e(u,v) and maintain the transitive closure matrix
-  virtual void remove(const T& u, const T& v) =0;
-};
-
-template<typename T>
-RodittyZwick<T>::~RodittyZwick() {
-
-}
-
-}; // namespace algo
-
-#endif