Remove old method signature, as new method signature has replaced it downstream.

chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java b/chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java
index 4312d822a81d758111147e908363b95afdb16c24..d9ff99a236cbd3f139c823cec80d5fbb44077d27 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/historyreport/AppIndexingReporter.java
@@ -23,17 +23,6 @@ public class AppIndexingReporter {
      * Reports provided entity to on-device index.
      * Base class does not implement any reporting, and call is a no-op. Child classes should
      * implement this functionality.
-     *
-     * Deprecated, to be removed in follow-up cl, after downstream change.
-     */
-    public void reportEntityJsonLd(String url, String json) {
-        // Overriden by private class. Base class does nothing.
-    }
-
-    /**
-     * Reports provided entity to on-device index.
-     * Base class does not implement any reporting, and call is a no-op. Child classes should
-     * implement this functionality.
      */
     public void reportWebPage(WebPage webpage) {
         // Overriden by private class. Base class does nothing.