Remove icon badges from local/drive search results

Previous solution (crrev.com/c/1208692) has to be reverted as
it removed badges from a few other search result types where they
are actually needed.

Bug: 872404
Test: manual
Change-Id: I20d3af35a493a52b5a45645e85e5b17f0cbbfeb2
Reviewed-on: https://chromium-review.googlesource.com/1238997Reviewed-by: Jenny Zhang <jennyz@chromium.org>
Commit-Queue: Vladislav Kaznacheev <kaznacheev@chromium.org>
Cr-Commit-Position: refs/heads/master@{#593314}

chrome/browser/ui/app_list/search/launcher_search/launcher_search_result.cc

@@ -77,7 +77,7 @@ void LauncherSearchResult::OnIconImageChanged(
 void LauncherSearchResult::OnBadgeIconImageChanged(
     LauncherSearchIconImageLoader* image_loader) {
   DCHECK_EQ(image_loader, icon_image_loader_.get());
-  SetBadgeIcon(icon_image_loader_->GetBadgeIconImage());
+  // No badging is required.
 }
 
 LauncherSearchResult::LauncherSearchResult(
@@ -106,7 +106,6 @@ void LauncherSearchResult::Initialize() {
   icon_image_loader_->AddObserver(this);
 
   SetIcon(icon_image_loader_->GetIconImage());
-  SetBadgeIcon(icon_image_loader_->GetBadgeIconImage());
 }
 
 std::string LauncherSearchResult::GetSearchResultId() {