Disable Google integration.  Python packages aren't available in ports.

Index: mnemosyne/libmnemosyne/__init__.py
--- mnemosyne/libmnemosyne/__init__.py.orig
+++ mnemosyne/libmnemosyne/__init__.py
@@ -156,10 +156,10 @@ class Mnemosyne(Component):
           "Translator"),
          ("mnemosyne.libmnemosyne.pronouncer",
           "Pronouncer"),
-         ("mnemosyne.libmnemosyne.translators.google_translator",
-          "GoogleTranslator"),
-         ("mnemosyne.libmnemosyne.pronouncers.google_pronouncer",
-          "GooglePronouncer"),
+#         ("mnemosyne.libmnemosyne.translators.google_translator",
+#          "GoogleTranslator"),
+#         ("mnemosyne.libmnemosyne.pronouncers.google_pronouncer",
+#          "GooglePronouncer"),
          ("mnemosyne.libmnemosyne.languages.afrikaans",
           "Afrikaans"),
          ("mnemosyne.libmnemosyne.languages.albanian",
