remove unused import

Author: infeo

src/main/java/org/cryptomator/linux/keychain/SecretServiceKeychainAccess.java

@@ -5,7 +5,6 @@
 import org.cryptomator.integrations.common.Priority;
 import org.cryptomator.integrations.keychain.KeychainAccessException;
 import org.cryptomator.integrations.keychain.KeychainAccessProvider;
-import org.freedesktop.dbus.exceptions.DBusExecutionException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;