[BAEL-10985] - Removed vavr-validation submodule

vavr/src/main/java/com/baeldung/vavrvalidation/application/Application.java

@@ -13,5 +13,5 @@ public class Application {
         Validation<Seq<String>, User> validation = userValidator.validateUser("John", "john@domain.com");
 
         // process validation results here
-	}	
+    }	
 }

vavr/src/test/java/com/baeldung/vavrvalidation/validator/UserValidatorUnitTest.java

@@ -7,7 +7,7 @@ import com.baeldung.vavrvalidation.validator.UserValidator;
 import io.vavr.control.Validation.Invalid;
 import io.vavr.control.Validation.Valid;
 
-public class UserValidatorTest {
+public class UserValidatorUnitTest {
     
     @Test
     public void givenValidUserParams_whenValidated_thenInstanceOfValid() {

vavr/src/test/java/com/baeldung/vavrvalidation/validator/ValidationUnitTest.java

@@ -11,7 +11,7 @@ import io.vavr.control.Either.Right;
 import io.vavr.control.Validation.Invalid;
 import io.vavr.control.Validation.Valid;
 
-public class ValidationTest {
+public class ValidationUnitTest {
 	
     private static UserValidator userValidator;