Revert "Add metrics for search engine promo and search widget"

components/search_engines/BUILD.gn

Index: components/search_engines/BUILD.gn
diff --git a/components/search_engines/BUILD.gn b/components/search_engines/BUILD.gn
index fc5445c3ccdb9516c1cf2ebde8555203e57b8626..9e4b05d3959eb1b9517006059f64ee4bcd2c56ae 100644
--- a/components/search_engines/BUILD.gn
+++ b/components/search_engines/BUILD.gn
@@ -4,10 +4,6 @@
 
 import("//build/config/features.gni")
 import("//tools/json_to_struct/json_to_struct.gni")
-if (is_android) {
-  import("//build/config/android/config.gni")
-  import("//build/config/android/rules.gni")
-}
 
 static_library("search_engines") {
   sources = [
@@ -162,11 +158,3 @@ json_to_struct("prepopulated_engines") {
   schema_file = "prepopulated_engines_schema.json"
   namespace = "TemplateURLPrepopulateData"
 }
-
-if (is_android) {
-  java_cpp_enum("search_engine_type_java") {
-    sources = [
-      "search_engine_type.h",
-    ]
-  }
-}