Removed usage of 'six' since Python 2.x is not supported

Signed-off-by: Mike Raineri <michael.raineri@dell.com>

Author: mraineri

src/redfish/ris/rmc.py

@@ -10,7 +10,6 @@
 import os
 import re
 import sys
-import six
 import time
 import copy
 import shutil
@@ -434,7 +433,7 @@ def get_save(self, selector=None, currentoverride=False, pluspath=False,
                 currdict = jsonpatch.apply_patch(currdict, patch)
 
             if selector:
-                for item in six.iterkeys(currdict):
+                for item in currdict:
                     if selector.lower() == item.lower():
                         selector = item
                         break
@@ -510,7 +509,7 @@ def set(self, selector=None, val=None):
                     nochangesmade = True
 
                 currdict = instance.resp.dict
-                for item in six.iterkeys(currdict):
+                for item in currdict:
                     if selector.lower() == item.lower():
                         selector = item
                         break
@@ -678,7 +677,7 @@ def loadset(self, dicttolist=None, selector=None, val=None, newargs=None):
 
             if newargs and len(dicttolist)==1 :
                 for i in range(len(newargs)):
-                    for item in six.iterkeys(currdictcopy):
+                    for item in currdictcopy:
                         if newarg[i].lower() == item.lower():
                             newarg[i] = item
 
@@ -847,7 +846,7 @@ def setmultilevel(self, val=None, newargs=None):
                 newarg.append(name)
 
                 for i in range(len(newargs)):
-                    for item in six.iterkeys(currdictcopy):
+                    for item in currdictcopy:
                         if newarg[i].lower() == item.lower():
                             selector = item
                             newarg[i] = item
@@ -932,15 +931,15 @@ def setmultiworker(self, newargs, change, currdict, current=0):
         found = False
 
         if not newargs[current] == newargs[-1]:
-            for attr, val in six.iteritems(currdict):
+            for attr, val in currdict.items():
                 if attr.lower() == newargs[current].lower():
                     current += 1
                     found = self.setmultiworker(newargs, change, val, current)
                     continue
                 else:
                     continue
         else:
-            for attr, val in six.iteritems(currdict):
+            for attr, val in currdict.items():
                 if attr.lower() == change[0][0].lower():
                     currdict[attr] = change[0][1]
                     found = True