HADOOP-19027. Cut the @Deprecation tags from the existing constants

Author: steveloughran

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/InternalConstants.java

@@ -127,14 +127,12 @@ private InternalConstants() {
   public static final int SC_403_FORBIDDEN = 403;
 
   /** 403 error code. */
-  @Deprecated
   public static final int SC_403 = SC_403_FORBIDDEN;
 
   /** 404 status code: Not Found. */
   public static final int SC_404_NOT_FOUND = 404;
 
   /** 404 error code. */
-  @Deprecated
   public static final int SC_404 = SC_404_NOT_FOUND;
 
   /** 405 status code: Method Not Allowed. */