Groovy: fix runSaltCommandPepper

Change-Id: I1826fc926760c77234d42bd622434683ccdfb471
diff --git a/src/com/mirantis/mk/Salt.groovy b/src/com/mirantis/mk/Salt.groovy
index 248f8eb..059ea70 100644
--- a/src/com/mirantis/mk/Salt.groovy
+++ b/src/com/mirantis/mk/Salt.groovy
@@ -105,7 +105,6 @@
  */
 @NonCPS
 def runSaltCommandPepper(pepperVenv, client, target, function, batch = null, args = null, kwargs = null, timeout = -1, read_timeout = -1) {
-    def http = new com.mirantis.mk.Http()
 
     data = [
         'tgt': target.expression,
@@ -130,10 +129,6 @@
         data['timeout'] = timeout
     }
 
-    headers = [
-      'X-Auth-Token': "${master.authToken}"
-    ]
-
     return runPepperCommand(data, pepperVenv)
 }