Update URLBuilder.swift

Author: rafiki270

Sources/S3/URLBuilder/URLBuilder.swift

@@ -14,16 +14,10 @@ extension Region {
 
     /// Host URL including scheme
     public func hostUrlString(bucket: String? = nil) -> String {
-        if hostName != nil {
-            return urlProtocol + host.finished(with: "/") + (bucket ?? "")
+        if let bucket = bucket {
+            return urlProtocol + host.finished(with: "/") + bucket
         }
-        
-        var bucket = bucket
-        if let b = bucket, !b.isEmpty {
-            bucket = b + "."
-        }
-        
-        return urlProtocol + (bucket ?? "") + host.finished(with: "/")
+        return urlProtocol + host.finished(with: "/")
     }
 
     private var urlProtocol: String {