clean up some warnings when building recovery

Change-Id: I1541534ee6978ddf8d548433986679ce9507d508
diff --git a/recovery.cpp b/recovery.cpp
index 0a8c3b5..db35f1e 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -980,7 +980,7 @@
         load_locale_from_cache();
     }
     printf("locale is [%s]\n", locale);
-    printf("stage is [%s]\n", stage, stage);
+    printf("stage is [%s]\n", stage);
 
     Device* device = make_device();
     ui = device->GetUI();