remove WUP028 driver which is already handled by SDL3 on Linux

also restores automatic port assignment on non-Windows. This should be the default as https://github.com/patchzyy/Wiicompiled/pull/42 was never a necessary change

runtime/include/runtime_config.h

@@ -63,9 +63,11 @@ struct RuntimeUserConfig {
     // comma-separated SDL-style physical button names ("south", or
     // "dpad_up,left_shoulder") as values; pressing either bound button counts.
     std::array<std::optional<std::string>, 12> controllerButtons;
+#ifdef _WIN32
     // One-based physical WUP-028 adapter port assigned to each game port.
     // Zero or a missing value means the adapter does not own that game port.
     std::array<uint32_t, 4> gameCubeAdapterPorts{};
+#endif
 };
 
 namespace RuntimeConfigFile {
@@ -365,12 +367,14 @@ inline RuntimeUserConfig ParseConfigDocument(const toml::value& document) {
         config.controllerButtons[index] =
             FindConfigValue<std::string>(document, "controller", buttonKeys[index]);
     }
+#ifdef _WIN32
     for (size_t index = 0; index < config.gameCubeAdapterPorts.size(); ++index) {
         const std::string key = "adapter_port_" + std::to_string(index + 1);
         if (auto value = FindConfigUint(document, "controller", key); value && *value <= 4) {
             config.gameCubeAdapterPorts[index] = *value;
         }
     }
+#endif
 
     config.widescreen = FindConfigValue<bool>(document, "video", "widescreen");
     config.windowPosX = FindConfigInt(document, "video", "window_x");
@@ -634,6 +638,7 @@ inline bool SetControllerButton(size_t index, std::string value) {
     return WriteSetting("controller", kControllerButtonKeys[index], FormatString(value));
 }
 
+#ifdef _WIN32
 inline int GameCubeAdapterPort(size_t gamePort) {
     if (gamePort >= Get().gameCubeAdapterPorts.size()) return -1;
     const uint32_t physicalPort = Get().gameCubeAdapterPorts[gamePort];
@@ -646,6 +651,7 @@ inline bool SetGameCubeAdapterPort(size_t gamePort, int physicalPort) {
     Mutable().gameCubeAdapterPorts[gamePort] = storedPort;
     return WriteSetting("controller", "adapter_port_" + std::to_string(gamePort + 1), std::to_string(storedPort));
 }
+#endif
 
 inline bool SetAudioVolume(float value) {
     value = std::clamp(value, 0.0f, 1.0f);