Remove unused methods in BundleUtils and GSAState

They were left to not break downstream.

Bug: 846456
Change-Id: I03d050beffbb9cc8a5a30021270b139c277d5325
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4049484
Owners-Override: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1075234}

base/android/java/src/org/chromium/base/BundleUtils.java

@@ -166,11 +166,6 @@ public static boolean isIsolatedSplitInstalled(String splitName) {
         return getSplitApkPath(splitName) != null;
     }
 
-    // TODO(agrieve): Delete downstream references.
-    public static boolean isIsolatedSplitInstalled(Context unused, String splitName) {
-        return isIsolatedSplitInstalled(splitName);
-    }
-
     /**
      * The lock to hold when calling {@link Context#createContextForSplit(String)}.
      */

chrome/browser/gsa/java/src/org/chromium/chrome/browser/gsa/GSAState.java

@@ -6,7 +6,6 @@
 
 import android.annotation.SuppressLint;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.text.TextUtils;
@@ -83,11 +82,6 @@ public interface Observer {
      */
     private @Nullable String mGsaAccount;
 
-    // TODO(agrieve): Delete internal references.
-    public static GSAState getInstance(Context unused) {
-        return getInstance();
-    }
-
     /**
      * Returns the singleton instance of GSAState and creates one if necessary.
      */