Remove the double semicolon of the class field.

Remove unnecessary semicolons from the Instant field of the DefaultRevisionMetadataUnitTests class.

Author: PgmJun

spring-data-envers/src/test/java/org/springframework/data/envers/repository/support/DefaultRevisionMetadataUnitTests.java

@@ -31,10 +31,11 @@
  * @author Benedikt Ritter
  * @author Jens Schauder
  * @author Mark Paluch
+ * @author Seungjun Choi
  */
 class DefaultRevisionMetadataUnitTests {
 
-	private static final Instant NOW = Instant.now();;
+	private static final Instant NOW = Instant.now();
 
 	@Test // #112
 	void createsLocalDateTimeFromTimestamp() {