android: Don't save settings on config destruction

Android doesn't have a proper way of destroying its config object so it's best to stick to the built-in methods to control saving config

src/android/app/src/main/jni/android_config.cpp

@@ -14,12 +14,6 @@ AndroidConfig::AndroidConfig(const std::string& config_name, ConfigType config_t
     }
 }
 
-AndroidConfig::~AndroidConfig() {
-    if (global) {
-        AndroidConfig::SaveAllValues();
-    }
-}
-
 void AndroidConfig::ReloadAllValues() {
     Reload();
     ReadAndroidValues();

src/android/app/src/main/jni/android_config.h

@@ -9,7 +9,6 @@ class AndroidConfig final : public Config {
 public:
     explicit AndroidConfig(const std::string& config_name = "config",
                            ConfigType config_type = ConfigType::GlobalConfig);
-    ~AndroidConfig() override;
 
     void ReloadAllValues() override;
     void SaveAllValues() override;