drop isOneZone check

Author: Josh Chorlton

plugins/nf-amazon/src/main/nextflow/cloud/aws/nio/util/S3ObjectId.java

@@ -46,14 +46,4 @@ public String key() {
     public String versionId() {
         return versionId;
     }
-
-    /**
-     * Determines if this object is in an S3 Express One Zone bucket.
-     * S3 Express One Zone bucket names follow the pattern: base-bucket-name--zone-id--x-s3
-     *
-     * @return true if this is an S3 Express One Zone bucket
-     */
-    public boolean isExpressOneZone() {
-        return bucket != null && bucket.endsWith("--x-s3");
-    }
 }