removed unused class and imports

Author: chernser

client-v2/src/main/java/com/clickhouse/client/api/internal/HttpAPIClientHelper.java

@@ -2,14 +2,8 @@
 
 import com.clickhouse.client.ClickHouseNode;
 import com.clickhouse.client.ClickHouseSslContextProvider;
-import com.clickhouse.client.api.Client;
-import com.clickhouse.client.api.ClientConfigProperties;
-import com.clickhouse.client.api.ClientException;
-import com.clickhouse.client.api.ClientFaultCause;
-import com.clickhouse.client.api.ClientMisconfigurationException;
-import com.clickhouse.client.api.ConnectionInitiationException;
+import com.clickhouse.client.api.*;
 import com.clickhouse.client.api.ConnectionReuseStrategy;
-import com.clickhouse.client.api.ServerException;
 import com.clickhouse.client.api.data_formats.internal.SerializerUtils;
 import com.clickhouse.client.api.enums.ProxyType;
 import com.clickhouse.client.api.http.ClickHouseHttpProto;
@@ -31,16 +25,7 @@
 import org.apache.hc.client5.http.socket.LayeredConnectionSocketFactory;
 import org.apache.hc.client5.http.socket.PlainConnectionSocketFactory;
 import org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
-import org.apache.hc.core5.http.ClassicHttpResponse;
-import org.apache.hc.core5.http.ConnectionRequestTimeoutException;
-import org.apache.hc.core5.http.ContentType;
-import org.apache.hc.core5.http.Header;
-import org.apache.hc.core5.http.HttpEntity;
-import org.apache.hc.core5.http.HttpHeaders;
-import org.apache.hc.core5.http.HttpHost;
-import org.apache.hc.core5.http.HttpRequest;
-import org.apache.hc.core5.http.HttpStatus;
-import org.apache.hc.core5.http.NoHttpResponseException;
+import org.apache.hc.core5.http.*;
 import org.apache.hc.core5.http.config.CharCodingConfig;
 import org.apache.hc.core5.http.config.Http1Config;
 import org.apache.hc.core5.http.config.RegistryBuilder;
@@ -58,37 +43,18 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.net.ssl.KeyManager;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.SSLException;
-import javax.net.ssl.TrustManager;
 import javax.net.ssl.X509TrustManager;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.lang.reflect.Method;
-import java.net.ConnectException;
-import java.net.InetSocketAddress;
-import java.net.NoRouteToHostException;
-import java.net.Socket;
-import java.net.SocketTimeoutException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.net.UnknownHostException;
+import java.net.*;
 import java.nio.charset.StandardCharsets;
-import java.security.KeyManagementException;
 import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
 import java.security.cert.X509Certificate;
-import java.util.Base64;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Properties;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
@@ -834,22 +800,4 @@ public long getTime() {
             return count > 0 ? runningAverage / count : 0;
         }
     }
-
-    private static final class TrustAllManager implements X509TrustManager {
-
-        @Override
-        public void checkClientTrusted(X509Certificate[] chain, String authType) {
-            // ignore
-        }
-
-        @Override
-        public void checkServerTrusted(X509Certificate[] chain, String authType) {
-            // ignore
-        }
-
-        @Override
-        public X509Certificate[] getAcceptedIssuers() {
-            return new X509Certificate[0];
-        }
-    }
 }