fix: remove unused imports from ApiClient and OAuthAuthenticator

Leftover imports from when SSL/TLS code was moved to TransportOptions.

Author: mridang

src/main/java/com/zitadel/ApiClient.java

@@ -33,11 +33,7 @@
 
 import javax.annotation.Nullable;
 import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.TrustManagerFactory;
-import javax.net.ssl.X509TrustManager;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.lang.reflect.Type;
 import java.net.URLEncoder;
@@ -47,17 +43,13 @@
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;
-import java.security.KeyStore;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
 import java.text.DateFormat;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
 import java.util.Map.Entry;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 @SuppressFBWarnings("THROWS_METHOD_THROWS_RUNTIMEEXCEPTION")
 public class ApiClient {

src/main/java/com/zitadel/auth/OAuthAuthenticator.java

@@ -15,7 +15,6 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
-import java.security.cert.X509Certificate;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
 import java.util.Collections;