Update and rename OptimizedMatcherUnitTest.java to OptimizedMatcherManualTest.java

Author: lor6

core-java/src/test/java/com/baeldung/regexp/optmization/OptimizedMatcherUnitTest.java renamed to core-java/src/test/java/com/baeldung/regexp/optmization/OptimizedMatcherManualTest.java

@@ -11,7 +11,7 @@
 
 import static org.junit.Assert.assertTrue;
 
-public class OptimizedMatcherUnitTest {
+public class OptimizedMatcherManualTest {
 
     private String action;