JAVA-14232 JAVA-19120 Move article Lambda Expression vs. Anonymous Inner Class to core-java-lambdas module (#13603)

* JAVA-19120 Move article Lambda Expression vs. Anonymous Inner Class to core-java-lambdas module

* Update README.md

---------

Co-authored-by: Anastasios Ioannidis <121166333+anastasiosioannidis@users.noreply.github.com>

core-java-modules/core-java/README.md

@@ -9,5 +9,3 @@
 - [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
 - [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties)
 - [Illegal Character Compilation Error](https://www.baeldung.com/java-illegal-character-error)
-- [Lambda Expression vs. Anonymous Inner Class](https://www.baeldung.com/java-lambdas-vs-anonymous-class)
-

core-java-modules/core-java/src/main/java/com/baeldung/anonymousclass/AnonymousClassExample.java

@@ -1,14 +0,0 @@
-package com.baeldung.anonymousclass;
-
-public class AnonymousClassExample{
-
-    public static void main(String[] args){
-        Thread t1 = new Thread(new Runnable(){
-            @Override
-            public void run() {
-                System.out.println("Thread: "+Thread.currentThread().getName()+" started");
-            }
-        });
-        t1.start();
-    }
-}

core-java-modules/core-java/src/main/java/com/baeldung/lambdaexpression/LambdaExpressionExample.java

@@ -1,9 +0,0 @@
-package com.baeldung.lambdaexpression;
-
-public class LambdaExpressionExample{
-
-    public static void main(String[] args){
-        Thread t1 = new Thread(()->System.out.println("Thread: "+Thread.currentThread().getName()+" started"));
-        t1.start();
-    }
-}