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

components/variations/android/variations_seed_bridge.cc

Index: components/variations/android/variations_seed_bridge.cc
diff --git a/components/variations/android/variations_seed_bridge.cc b/components/variations/android/variations_seed_bridge.cc
index 731c744319b35fe3d9403a34b4c5e6f764a59ecd..cf5cbe41db3ac65ff1fe91a503f42eb94c976575 100644
--- a/components/variations/android/variations_seed_bridge.cc
+++ b/components/variations/android/variations_seed_bridge.cc
@@ -55,16 +55,5 @@
   *seed_country = ConvertJavaStringToUTF8(j_seed_country);
 }
 
-void ClearJavaFirstRunPrefs() {
-  JNIEnv* env = AttachCurrentThread();
-  Java_VariationsSeedBridge_clearFirstRunPrefs(env, GetApplicationContext());
-}
-
-void MarkVariationsSeedAsStored() {
-  JNIEnv* env = AttachCurrentThread();
-  Java_VariationsSeedBridge_markVariationsSeedAsStored(env,
-                                                       GetApplicationContext());
-}
-
 }  // namespace android
 }  // namespace variations