Revert of Implemented clearing Java prefs after pulling variations first run seed from Java to C++ side

components/variations/android/variations_seed_bridge.h

Index: components/variations/android/variations_seed_bridge.h
diff --git a/components/variations/android/variations_seed_bridge.h b/components/variations/android/variations_seed_bridge.h
index 784701a7493d10781ba201614d0972d8df59c7dd..83381fa4837e4c9678f041aaee40d7619348629e 100644
--- a/components/variations/android/variations_seed_bridge.h
+++ b/components/variations/android/variations_seed_bridge.h
@@ -18,14 +18,6 @@
                                std::string* seed_signature,
                                std::string* seed_country);
 
-// Clears first run seed preferences stored on the Java side of Chrome for
-// Android.
-void ClearJavaFirstRunPrefs();
-
-// Marks variations seed as stored to avoid repeated fetches of the seed at
-// the Java side.
-void MarkVariationsSeedAsStored();
-
 }  // namespace android
 }  // namespace variations