Remove artifact metadata dir structure precreation

This patch removes precreation of dirs and
files in artifact metadata repo since it is not
needed when using new version of artifact metadata
update application

Change-Id: I2302d837b62b18d6851644f9b2941eedb7b1dbcc
Related-PROD: PROD-34227
diff --git a/src/com/mirantis/mk/ReleaseWorkflow.groovy b/src/com/mirantis/mk/ReleaseWorkflow.groovy
index 032f8dc..45974aa 100644
--- a/src/com/mirantis/mk/ReleaseWorkflow.groovy
+++ b/src/com/mirantis/mk/ReleaseWorkflow.groovy
@@ -69,7 +69,7 @@
 }
 
 /**
- * Get release metadata value for given key
+ * Pre-create release metadata directory structure
  *
  * @param key metadata key
  * @param metadataDir metadata directory
@@ -77,6 +77,7 @@
  */
 
 def precreateKeyReleaseMetadataFile(String key, String metadataDir, Integer dirdepth = 0) {
+    common.infoMsg("This method is deprecated and should not be used with new metadata app")
     def keySize = key.split(':').size() - 1
     if (dirdepth > 0 && dirdepth - 1 <= keySize) {
         def dirPath = metadataDir + '/' + key.split(':')[0..dirdepth - 1].join('/')
@@ -164,8 +165,6 @@
         if (keyArr.size() == valueArr.size()) {
             docker.image(toxDockerImage).inside {
                 for (i in 0..keyArr.size()-1) {
-                    // TODO remove/refactor it as app.py will have this functionality
-                    precreateKeyReleaseMetadataFile(keyArr[i], metadataDir, dirdepth)
                     sh "cd ${repoDir} && tox -qq -e metadata -- update --key '${keyArr[i]}' --value '${valueArr[i]}'"
                 }
             }