Revert of Add the Play Store app search to the launcher.

components/arc/common/app.mojom

Index: components/arc/common/app.mojom
diff --git a/components/arc/common/app.mojom b/components/arc/common/app.mojom
index b1e474b9e5caf99fed58542c0c743f76a200fee0..6348d52517e4851ebe484d466b77707bf5585eb3 100644
--- a/components/arc/common/app.mojom
+++ b/components/arc/common/app.mojom
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Next MinVersion: 21
+// Next MinVersion: 20
 
 module arc.mojom;
 
@@ -75,19 +75,6 @@
   MANAGE_LINKS = 1,
 };
 
-// Describes a Play Store app discovery result.
-struct AppDiscoveryResult {
-  string? launch_intent_uri;
-  string? install_intent_uri;
-  string? label;
-  bool is_instant_app;
-  bool is_recent;
-  string? publisher_name;
-  string? formatted_price;
-  float review_score;
-  array<uint8> icon_png_data;
-};
-
 // Next method ID: 18
 interface AppHost {
   // Sends newly added ARC app to Chrome. This message is sent when ARC receives
@@ -174,7 +161,7 @@
 };
 
 // TODO(lhchavez): Migrate all request/response messages to Mojo.
-// Next method ID: 17
+// Next method ID: 16
 // Deprecated method ID: 9
 interface AppInstance {
   Init@0(AppHost host_ptr);
@@ -246,9 +233,4 @@
   // Sends a request to ARC to uninstall the given package.  Error (if ever
   // happens) is ignored, and uninstall option should appear in the UI.
   [MinVersion=2] UninstallPackage@5(string package_name);
-
-  // Starts a query for Play Store apps.
-  [MinVersion=20] GetRecentAndSuggestedAppsFromPlayStore@16(
-      string query, int32 max_results) =>
-          (array<AppDiscoveryResult> results);
-};
+};