Remove unused method from TestUtils (unitycatalog#582)

**PR Checklist**

- [x] A description of the changes is added to the description of this
PR.
- [ ] If there is a related issue, make sure it is linked to this PR.
- [ ] If you've fixed a bug or added code that should be tested, add
tests!
- [ ] If you've added or modified a feature, documentation in `docs` is
updated

**Description of changes**

Remove unused method from TestUtils

Signed-off-by: Yuya Ebihara <[email protected]>
Co-authored-by: Tathagata Das <[email protected]>

Author: ebyhr

server/src/test/java/io/unitycatalog/server/utils/TestUtils.java

@@ -4,9 +4,7 @@
 import io.unitycatalog.server.base.ServerConfig;
 import java.net.URI;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.Map;
-import java.util.function.Function;
 
 public class TestUtils {
   public static final String CATALOG_NAME = "uc_testcatalog";
@@ -54,32 +52,6 @@ public static int getRandomPort() {
     return (int) (Math.random() * 1000) + 9000;
   }
 
-  public static <T> int getSize(Iterable<T> iterable) {
-    int size = 0;
-    Iterator<T> iterator = iterable.iterator();
-    while (iterator.hasNext()) {
-      iterator.next();
-      size++;
-    }
-    return size;
-  }
-
-  public static <T> boolean contains(Iterable<T> iterable, T element, Function<T, Boolean> equals) {
-    Iterator<T> iterator = iterable.iterator();
-    while (iterator.hasNext()) {
-      if (equals != null) {
-        if (equals.apply(iterator.next())) {
-          return true;
-        }
-      } else {
-        if (iterator.next().equals(element)) {
-          return true;
-        }
-      }
-    }
-    return false;
-  }
-
   public static ApiClient createApiClient(ServerConfig serverConfig) {
     ApiClient apiClient = new ApiClient();
     URI uri = URI.create(serverConfig.getServerUrl());