Remove unused imports

Author: anmolanmol1234

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/services/ITestAbfsClient.java

@@ -27,7 +27,6 @@
 import java.util.Random;
 import java.util.regex.Pattern;
 
-import org.assertj.core.api.AbstractBooleanAssert;
 import org.assertj.core.api.Assertions;
 import org.junit.Test;
 import org.mockito.Mockito;