Revert of Created the dialog offering the user to merge their account data or keep it

chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java
index 9251e9d1f317c6fbad5a60bfda69cf5b0b988ee9..9a7f8ff9fe92613900b8c53c4bca72bec681b0fb 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/SyncedAccountPreference.java
@@ -17,10 +17,9 @@
 
 /**
  * A preference that displays the account currently being synced and allows the user to choose a new
- * account to use for syncing. The values used are the account names.
+ * account to use for syncing
  */
 public class SyncedAccountPreference extends ListPreference {
-    private static final String TAG = "SyncedAccountPreference";
 
     /**
      * Constructor for inflating from XML
@@ -28,14 +27,6 @@
     public SyncedAccountPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
         setTitle(context.getResources().getString(R.string.sync_to_account_header));
-        updateAccountsList();
-    }
-
-    /**
-     * Updates the list of accounts to those currently signed in and sets the display to the
-     * current sync account.
-     */
-    public void update() {
         updateAccountsList();
     }
 
@@ -66,12 +57,13 @@
 
         setEntries(accountNames);
         setEntryValues(accountValues);
-        setValue(signedInSettingsKey);
+        setDefaultValue(signedInSettingsKey);
         setSummary(signedInAccountName);
     }
 
     @Override
     protected void onDialogClosed(boolean positiveResult) {
         super.onDialogClosed(positiveResult);
+        // TODO(crbug/557786): Add switching sync accounts
     }
 }