Removed accidental debugcode, updated lookup for env-var

See: https://github.com/cryptomator/cryptomator/pull/1307#discussion_r472848604
See: https://github.com/cryptomator/cryptomator/pull/1307#discussion_r472851003

main/commons/src/main/java/org/cryptomator/common/Environment.java

@@ -40,6 +40,7 @@ public class Environment {
 		LOG.debug("cryptomator.mountPointsDir: {}", System.getProperty("cryptomator.mountPointsDir"));
 		LOG.debug("cryptomator.minPwLength: {}", System.getProperty("cryptomator.minPwLength"));
 		LOG.debug("cryptomator.buildNumber: {}", System.getProperty("cryptomator.buildNumber"));
+		LOG.debug("fuse.experimental: {}", Boolean.getBoolean("fuse.experimental"));
 	}
 
 	public boolean useCustomLogbackConfig() {
@@ -74,6 +75,10 @@ public class Environment {
 		return getInt("cryptomator.minPwLength", DEFAULT_MIN_PW_LENGTH);
 	}
 
+	public boolean useExperimentalFuse() {
+		return Boolean.getBoolean("fuse.experimental");
+	}
+
 	private int getInt(String propertyName, int defaultValue) {
 		String value = System.getProperty(propertyName);
 		try {

main/ui/src/main/java/org/cryptomator/ui/vaultoptions/MountOptionsController.java

@@ -18,6 +18,7 @@ import javafx.stage.DirectoryChooser;
 import javafx.stage.Stage;
 import javafx.util.StringConverter;
 import org.apache.commons.lang3.SystemUtils;
+import org.cryptomator.common.Environment;
 import org.cryptomator.common.settings.Settings;
 import org.cryptomator.common.settings.VolumeImpl;
 import org.cryptomator.common.vaults.Vault;
@@ -57,15 +58,14 @@ public class MountOptionsController implements FxController {
 	private final BooleanBinding fuseAndWindows;
 
 	@Inject
-	MountOptionsController(@VaultOptionsWindow Stage window, @VaultOptionsWindow Vault vault, Settings settings, WindowsDriveLetters windowsDriveLetters, ResourceBundle resourceBundle) {
+	MountOptionsController(@VaultOptionsWindow Stage window, @VaultOptionsWindow Vault vault, Settings settings, WindowsDriveLetters windowsDriveLetters, ResourceBundle resourceBundle, Environment environment) {
 		this.window = window;
 		this.vault = vault;
 		this.webDavAndWindows = settings.preferredVolumeImpl().isEqualTo(VolumeImpl.WEBDAV).and(osIsWindows);
 		this.windowsDriveLetters = windowsDriveLetters;
 		this.resourceBundle = resourceBundle;
 
-		System.out.println(Boolean.getBoolean("fuse.experimental"));
-		this.fuseAndWindows = settings.preferredVolumeImpl().isEqualTo(VolumeImpl.FUSE).and(osIsWindows).and(new SimpleBooleanProperty(!Boolean.getBoolean("fuse.experimental")));
+		this.fuseAndWindows = settings.preferredVolumeImpl().isEqualTo(VolumeImpl.FUSE).and(osIsWindows).and(new SimpleBooleanProperty(!environment.useExperimentalFuse()));
 	}
 
 	@FXML