Remove unused member variable from DeviceInfo.

#ifndef DEVICEINFO_H

#define DEVICEINFO_H

#include "Extensions.h"

#include "utils/Macros.h"

namespace android {

    // with HWUI_NULL_GPU

    static void initialize();

    const Extensions& extensions() const { return mExtensions; }

    int maxTextureSize() const { return mMaxTextureSize; }

private:

    void load();

    Extensions mExtensions;

    int mMaxTextureSize;

};