refactor: remove unnecessary logic

Author: yeikel

api/src/test/java/io/kafbat/ui/AbstractIntegrationTest.java

@@ -35,10 +35,7 @@ public abstract class AbstractIntegrationTest {
   public static final String LOCAL = "local";
   public static final String SECOND_LOCAL = "secondLocal";
 
-  private static final boolean IS_ARM =
-      System.getProperty("os.arch").contains("arm") || System.getProperty("os.arch").contains("aarch64");
-
-  private static final String CONFLUENT_PLATFORM_VERSION = IS_ARM ? "7.2.1.arm64" : "7.2.1";
+  private static final String CONFLUENT_PLATFORM_VERSION = "7.2.1";
 
   public static final KafkaContainer kafka = new KafkaContainer(
       DockerImageName.parse("confluentinc/cp-kafka").withTag(CONFLUENT_PLATFORM_VERSION))