remove redundant line and methods

pom.xml

@@ -21,5 +21,4 @@
             <version>8.1.0</version>
         </dependency>
     </dependencies>
-
 </project>

src/main/java/mate/academy/model/Book.java

@@ -1,7 +1,6 @@
 package mate.academy.model;
 
 import java.math.BigDecimal;
-import java.util.Objects;
 
 public class Book {
     private Long id;
@@ -32,23 +31,6 @@ public void setPrice(BigDecimal price) {
         this.price = price;
     }
 
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
-        }
-        if (o == null || getClass() != o.getClass()) {
-            return false;
-        }
-        Book book = (Book) o;
-        return Objects.equals(id, book.id) && Objects.equals(title, book.title) && Objects.equals(price, book.price);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, title, price);
-    }
-
     @Override
     public String toString() {
         return "Book{" +