#1016 Deprecate MD5, SHA1, SHA512: no longer allowed for active use

- Deprecate unsalted hashes: if such a hash is configured, move it to the legacy hashes setting to still support the existing hashes in the database but hash all passwords from now on with our default, SHA256.

src/main/java/fr/xephi/authme/initialization/OnStartupTasks.java

@@ -7,9 +7,6 @@ import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.message.Messages;
 import fr.xephi.authme.output.ConsoleFilter;
 import fr.xephi.authme.output.Log4JFilter;
-import fr.xephi.authme.security.HashAlgorithm;
-import fr.xephi.authme.security.crypts.description.Recommendation;
-import fr.xephi.authme.security.crypts.description.Usage;
 import fr.xephi.authme.service.BukkitService;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.properties.DatabaseSettings;
@@ -103,23 +100,4 @@ public class OnStartupTasks {
             }
         }, 1, TICKS_PER_MINUTE * settings.getProperty(EmailSettings.DELAY_RECALL));
     }
-
-    /**
-     * Returns whether the hash algorithm is deprecated and won't be able
-     * to be actively used anymore in 5.4.
-     *
-     * @param hash the hash algorithm to check
-     * @return true if the hash will be deprecated, false otherwise
-     * @see <a href="https://github.com/AuthMe/AuthMeReloaded/issues/1016">#1016</a>
-     */
-    public static boolean isHashDeprecatedIn54(HashAlgorithm hash) {
-        if (hash.getClazz() == null || hash == HashAlgorithm.PLAINTEXT) {
-            // Exclude PLAINTEXT from this check because it already has a mandatory migration, which takes care of
-            // sending all the necessary messages and warnings.
-            return false;
-        }
-
-        Recommendation recommendation = hash.getClazz().getAnnotation(Recommendation.class);
-        return recommendation != null && recommendation.value() == Usage.DEPRECATED;
-    }
 }