Revert "Adding validation"

This reverts commit f9f389e.

pom.xml

@@ -49,12 +49,7 @@
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
 		</dependency>
-        <dependency>
-            <groupId>jakarta.validation</groupId>
-            <artifactId>jakarta.validation-api</artifactId>
-            <version>2.0.2</version>
-        </dependency>
-    </dependencies>
+	</dependencies>
 	<build>
 		<plugins>
 			<plugin>

src/main/java/com/example/blog/model/Post.java

@@ -3,19 +3,17 @@
 package com.example.blog.model;
 
 import javax.persistence.Entity;
-import javax.validation.constraints.NotBlank;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import java.util.Objects;
 
 @Entity
 public class Post {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     private Long id;
-    @NotBlank(message = "Title cannot be empty.")
     private String title;
-    @NotBlank(message = "Body cannot be empty.")
     private String body;
     private int views;