Remove unused imports.

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>
Closes #3968

spring-data-jpa/src/main/java/org/springframework/data/jpa/convert/QueryByExamplePredicateBuilder.java

@@ -43,7 +43,6 @@ import org.springframework.data.domain.ExampleMatcher.PropertyValueTransformer;
 import org.springframework.data.jpa.repository.query.EscapeCharacter;
 import org.springframework.data.support.ExampleMatcherAccessor;
 import org.springframework.data.util.DirectFieldAccessFallbackBeanWrapper;
-import org.springframework.lang.Contract;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ObjectUtils;

spring-data-jpa/src/main/java/org/springframework/data/jpa/domain/AbstractAuditable.java

@@ -24,7 +24,6 @@ import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.util.Optional;
 
-import org.jspecify.annotations.NullUnmarked;
 import org.springframework.data.domain.Auditable;
 
 import org.jspecify.annotations.Nullable;

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/EqlQueryIntrospector.java

@@ -23,8 +23,6 @@ import java.util.List;
 
 import org.jspecify.annotations.Nullable;
 
-import org.springframework.data.jpa.repository.query.EqlParser.Range_variable_declarationContext;
-
 /**
  * {@link ParsedQueryIntrospector} for EQL queries.
  *

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpaKeysetScrollQueryCreator.java

@@ -23,8 +23,6 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
 import org.jspecify.annotations.Nullable;
 
 import org.springframework.data.domain.KeysetScrollPosition;

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/CrudMethodMetadata.java

@@ -18,7 +18,6 @@ package org.springframework.data.jpa.repository.support;
 import jakarta.persistence.LockModeType;
 
 import java.lang.reflect.Method;
-import java.util.Optional;
 
 import org.springframework.data.jpa.repository.EntityGraph;
 

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/CrudMethodMetadataPostProcessor.java

@@ -20,7 +20,6 @@ import jakarta.persistence.QueryHint;
 
 import java.lang.reflect.Method;
 import java.util.HashSet;
-import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;