Update S3 image store protocol to use 's3' instead of dynamic HTTP/HTTPS

Author: Damans227

plugins/storage/image/s3/src/main/java/org/apache/cloudstack/storage/datastore/lifecycle/S3ImageStoreLifeCycleImpl.java

@@ -86,12 +86,7 @@ public DataStore initialize(Map<String, Object> dsInfos) {
         imageStoreParameters.put("name", name);
         imageStoreParameters.put("zoneId", dcId);
         imageStoreParameters.put("url", url);
-        String protocol = "http";
-        String useHttps = details.get(ApiConstants.S3_HTTPS_FLAG);
-        if (useHttps != null && Boolean.parseBoolean(useHttps)) {
-            protocol = "https";
-        }
-        imageStoreParameters.put("protocol", protocol);
+        imageStoreParameters.put("protocol", "s3");
         if (scope != null) {
             imageStoreParameters.put("scope", scope);
         } else {