Remove unneseccary relative path in git checkouts

Change-Id: I9d4f2f82d1feb73e867277dff2ca487e137a7147
diff --git a/src/com/mirantis/mk/Git.groovy b/src/com/mirantis/mk/Git.groovy
index 3bdacca..47d4880 100644
--- a/src/com/mirantis/mk/Git.groovy
+++ b/src/com/mirantis/mk/Git.groovy
@@ -26,7 +26,6 @@
                 branches: [[name: "*/${branch}"]],
             doGenerateSubmoduleConfigurations: false,
             extensions: [
-                [$class: 'RelativeTargetDirectory', relativeTargetDir: path],
                 [$class: 'CloneOption', depth: 0, noTags: false, reference: '', shallow: false, timeout: timeout]],
             submoduleCfg: [],
             userRemoteConfigs: [[url: url, credentialsId: credentialsId]]]