Remove unnecessary final modifier

final is useless for private and static methods

See gh-31916

spring-test/src/main/java/org/springframework/test/annotation/SystemProfileValueSource.java

@@ -34,7 +34,7 @@ public final class SystemProfileValueSource implements ProfileValueSource {
 	/**
 	 * Obtain the canonical instance of this ProfileValueSource.
 	 */
-	public static final SystemProfileValueSource getInstance() {
+	public static SystemProfileValueSource getInstance() {
 		return INSTANCE;
 	}