Revert of Add more components_unittests to GN build

components/search_provider_logos/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-source_set("search_provider_logos") {
+static_library("search_provider_logos") {
   sources = [
     "google_logo_api.cc",
     "google_logo_api.h",
     "logo_cache.cc",
     "logo_cache.h",
     "logo_common.cc",
     "logo_common.h",
     "logo_tracker.cc",
     "logo_tracker.h",
   ]
 
-  public_deps = [
+  deps = [
     "//base",
+    "//net",
     "//skia",
-  ]
-
-  deps = [
-    "//net",
     "//ui/gfx",
     "//url",
   ]
 }
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "logo_cache_unittest.cc",
-    "logo_tracker_unittest.cc",
-  ]
-  deps = [
-    ":search_provider_logos",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-}