[hotfix] Remove useless imports. (#4023)

Author: joyCurry30

flink-cdc-cli/src/main/java/org/apache/flink/cdc/cli/CliExecutor.java

@@ -37,8 +37,6 @@
 
 import java.util.List;
 
-import static org.apache.flink.cdc.composer.flink.deployment.ComposeDeployment.REMOTE;
-
 /** Executor for doing the composing and submitting logic for {@link CliFrontend}. */
 public class CliExecutor {
 

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlOnLineSchemaMigrationITCase.java

@@ -71,7 +71,6 @@
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_PASSWORD;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_USER;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.fetchResults;
-import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.getServerId;
 
 /**
  * IT case for Evolving MySQL schema with gh-ost/pt-osc utility. See <a

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlParallelizedPipelineITCase.java

@@ -49,7 +49,6 @@
 
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_PASSWORD;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_USER;
-import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.getServerId;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.loopCheck;
 import static org.apache.flink.configuration.CoreOptions.ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL;
 import static org.assertj.core.api.Assertions.assertThat;

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlPipelineITCase.java

@@ -87,7 +87,6 @@
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_PASSWORD;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_USER;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.fetchResults;
-import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.getServerId;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /** IT tests for {@link MySqlDataSource}. */

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MysqlPipelineNewlyAddedTableITCase.java

@@ -97,7 +97,6 @@
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_PASSWORD;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_USER;
 import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.fetchResults;
-import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.getServerId;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /** IT tests to cover various newly added tables during capture process in pipeline mode. */