deps: Refactor dependencies (#3224)

* remove spring dep
move junit, logging, mockito under dep mgmt

* upgrade anti-corruption-layer deps

* async method invocation

* balking, bloc

* bridge to bytecode

* caching

* callback - cqrs

* component - health check

* hexagonal - metadata mapping

* rest of the patterns

* remove checkstyle, take spotless into use

page-object/sample-application/src/main/java/com/iluwatar/pageobject/App.java

@@ -52,8 +52,7 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public final class App {
 
-  private App() {
-  }
+  private App() {}
 
   /**
    * Application entry point
@@ -85,6 +84,5 @@ public final class App {
     } catch (IOException ex) {
       LOGGER.error("An error occurred.", ex);
     }
-
   }
 }