Remove references to margaret
diff --git a/src/ddoc_cache.erl b/src/ddoc_cache.erl
index ec119f1..685a368 100644
--- a/src/ddoc_cache.erl
+++ b/src/ddoc_cache.erl
@@ -45,10 +45,8 @@
 open(Key) ->
     try ets_lru:lookup_d(?CACHE, Key) of
         {ok, _} = Resp ->
-            margaret_counter:increment([ddoc_cache, hit]),
             Resp;
         _ ->
-            margaret_counter:increment([ddoc_cache, miss]),
             case gen_server:call(?OPENER, {open, Key}, infinity) of
                 {open_ok, Resp} ->
                     Resp;
@@ -61,7 +59,6 @@
             end
     catch
         error:badarg ->
-            margaret_counter:increment([ddoc_cache, recovery]),
             recover(Key)
     end.