Change upload checkbox name and default in certify dialog, too

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java

@@ -118,11 +118,6 @@ public class CertifyKeyFragment
             }
         });
 
-        // If this is a debug build, don't upload by default
-        if (Constants.DEBUG) {
-            mUploadKeyCheckbox.setChecked(false);
-        }
-
         return view;
     }