Remove redundant functions from blocks.cpp, fix editor problem with pagination

mario/blocks/coinblock.hpp

@@ -1,27 +0,0 @@
-#ifndef COIN_BLOCK_H
-#define COIN_BLOCK_H
-
-#include "../blocks.hpp"
-#include "../global_vars.hpp"
-#include "../sprites.hpp"
-#include "../../sdlpp/sdlpp_textrenderer.hpp"
-
-class CoinEditorBlock : public MarioBlock {
-public:
-    CoinEditorBlock( int x, int y, std::shared_ptr< SDLPP::Renderer > renderer );
-    virtual void render() override;
-    virtual void updateSizeAndPosition() override;
-    void addOne();
-    void subtractOne();
-    void setAmount(int amount);
-    virtual void onScrollUp() override;
-    virtual void onScrollDown() override;
-    virtual uint8_t getData() override;
-    virtual void setData(uint8_t data) override;
-private:
-    void updateText();
-    int _amount = 1;
-    std::shared_ptr<SDLPP::TextRenderer> _amount_text;
-};
-
-#endif