Remove unnecessary dependency on a Jetbrains library

Author: akudiyar

src/test/java/io/tarantool/driver/TarantoolUtils.java

@@ -24,7 +24,6 @@ public static boolean versionGreaterOrEqualThen(String tarantoolVersion) {
         TarantoolVersion version = new TarantoolVersion(tarantoolVersion);
         return ciVersion.getMajor() >= version.getMajor() &&
             ciVersion.getMinor() >= version.getMinor();
-
     }
 
     public static boolean versionWithUUID() {

src/test/java/io/tarantool/driver/integration/ReconnectIT.java

@@ -19,7 +19,6 @@
 import io.tarantool.driver.core.TarantoolDaemonThreadFactory;
 import io.tarantool.driver.exceptions.TarantoolNoSuchProcedureException;
 import io.tarantool.driver.mappers.factories.DefaultMessagePackMapperFactory;
-import org.jetbrains.annotations.NotNull;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
@@ -369,7 +368,6 @@ private void replaceInstancesInfo(
         client.space("instances_info").replace(tuple).join();
     }
 
-    @NotNull
     private List<TarantoolServerAddress> getShuffledTarantoolServerAddresses() {
         List<TarantoolServerAddress> addresses = Arrays.asList(
             new TarantoolServerAddress(container.getRouterHost(), container.getMappedPort(3301)),

src/test/java/io/tarantool/driver/integration/ssl/SslClientITEnterprise.java

@@ -9,7 +9,6 @@
 import io.tarantool.driver.api.TarantoolResult;
 import io.tarantool.driver.api.tuple.TarantoolTuple;
 import io.tarantool.driver.exceptions.TarantoolClientException;
-import org.jetbrains.annotations.NotNull;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
@@ -119,7 +118,6 @@ public void test_clientWithSsl_shouldWork() throws SSLException {
         assertEquals("test", result.get(0));
     }
 
-    @NotNull
     private static SslContext getSslContext() throws SSLException {
         return SslContextBuilder.forClient()
             .trustManager(InsecureTrustManagerFactory.INSTANCE)

src/test/java/io/tarantool/driver/integration/ssl/SslClientMTlsITEnterprise.java

@@ -9,7 +9,6 @@
 import io.tarantool.driver.api.TarantoolResult;
 import io.tarantool.driver.api.tuple.TarantoolTuple;
 import io.tarantool.driver.exceptions.TarantoolClientException;
-import org.jetbrains.annotations.NotNull;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
@@ -104,7 +103,6 @@ public void test_clientWithoutCA_shouldThrowException_ifServerWithMTLS() throws
         assertThrows(CompletionException.class, () -> clientWithSsl.eval("return 'test'").join());
     }
 
-    @NotNull
     private static SslContext getSslContextWithCA() throws Exception {
         ClassLoader classloader = Thread.currentThread().getContextClassLoader();
         final File keyCertChainFile = new File(classloader