remove prestium integration

src/utils/os/Prestium.cpp

@@ -1,31 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-// SPDX-FileCopyrightText: The Monero Project
-
-#include "Prestium.h"
-
-#include <QString>
-#include <QSysInfo>
-
-#include "utils/Utils.h"
-
-#define PRESTIUM_DEFAULT_PORT 4448
-
-bool Prestium::detect()
-{
-    return QSysInfo::prettyProductName().contains("Prestium");
-}
-
-int Prestium::i2pPort()
-{
-    QString portStr = qgetenv("PRESTIUM_FEATHER_I2P_PORT");
-    if (portStr.isEmpty()) {
-        return PRESTIUM_DEFAULT_PORT;
-    }
-
-    int port = portStr.toInt();
-    if (port < 1024 || port > 65535) {
-        return PRESTIUM_DEFAULT_PORT;
-    }
-
-    return port;
-}

src/utils/os/Prestium.h

@@ -1,14 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-// SPDX-FileCopyrightText: The Monero Project
-
-#ifndef FEATHER_PRESTIUM_H
-#define FEATHER_PRESTIUM_H
-
-
-class Prestium {
-public:
-    static bool detect();
-    static int i2pPort();
-};
-
-#endif //FEATHER_PRESTIUM_H