fix: linter

Author: NguyenHoangSon96

src/main/java/com/influxdb/v3/client/config/ClientConfig.java

@@ -106,7 +106,7 @@ public final class ClientConfig {
     private final String certificateFilePath;
 
     /**
-     * Deprecated use {@link #proxyUrl}
+     * Deprecated use {@link #proxyUrl}.
      */
     @Deprecated
     private final ProxySelector proxy;

src/main/java/com/influxdb/v3/client/internal/FlightSqlClient.java

@@ -24,7 +24,6 @@
 import java.io.FileInputStream;
 import java.lang.reflect.InvocationTargetException;
 import java.net.InetSocketAddress;
-import java.net.ProxySelector;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.nio.charset.StandardCharsets;