8255262: Remove use of legacy custom @spec tag

Reviewed-by: lancea, mr, iris, alanb, darcy, mchung

src/java.base/share/classes/java/util/spi/AbstractResourceBundleProvider.java

@@ -83,7 +83,6 @@ import static sun.security.util.SecurityConstants.GET_CLASSLOADER_PERMISSION;
  * @see <a href="../ResourceBundle.html#resource-bundle-modules">
  *      Resource Bundles and Named Modules</a>
  * @since 9
- * @spec JPMS
  */
 public abstract class AbstractResourceBundleProvider implements ResourceBundleProvider {
     private static final JavaUtilResourceBundleAccess RB_ACCESS =

src/java.base/share/classes/java/util/spi/ResourceBundleControlProvider.java

@@ -45,7 +45,6 @@ import java.util.ResourceBundle;
  * @author Masayoshi Okutsu
  * @since 1.8
  * @revised 9
- * @spec JPMS
  * @see ResourceBundle#getBundle(String, java.util.Locale, ClassLoader, ResourceBundle.Control)
  *      ResourceBundle.getBundle
  * @see java.util.ServiceLoader#load(Class)

src/java.base/share/classes/java/util/spi/ResourceBundleProvider.java

@@ -141,7 +141,6 @@ import java.util.ResourceBundle;
  *      Resource Bundles and Named Modules</a>
  * @see java.util.ServiceLoader
  * @since 9
- * @spec JPMS
  */
 public interface ResourceBundleProvider {
     /**