[CODEC-195]No point in adding SHA_224 to a class which is now deprecated

[CODEC-211]New code should use the enum instead

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1743826 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

src/main/java/org/apache/commons/codec/digest/MessageDigestAlgorithms.java

@@ -54,16 +54,6 @@ private MessageDigestAlgorithms() {
      */
     public static final String SHA_1 = "SHA-1";
 
-    /**
-     * The SHA-224 hash algorithm defined in the FIPS PUB 180-4.
-     * <p>
-     * Java 8 only.
-     * </p>
-     *
-     * @since 1.11
-     */
-    public static final String SHA_224 = "SHA-224";
-
     /**
      * The SHA-256 hash algorithm defined in the FIPS PUB 180-2.
      */