Cleanup ContentSuggestions cells

ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn

Index: ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn
diff --git a/ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn b/ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn
index d89c5448a6643b80dc64f77b675786bdf2d4afdb..494e7178bc2e0ab375ed3804b3c44d50dd17fc3a 100644
--- a/ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn
+++ b/ios/chrome/browser/ui/content_suggestions/identifier/BUILD.gn
@@ -3,7 +3,6 @@
 # found in the LICENSE file.
 
 source_set("identifier") {
-  configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "content_suggestion_identifier.h",
     "content_suggestion_identifier.mm",
@@ -13,10 +12,10 @@ source_set("identifier") {
   deps = [
     "//base",
   ]
+  configs += [ "//build/config/compiler:enable_arc" ]
 }
 
 source_set("unit_tests") {
-  configs += [ "//build/config/compiler:enable_arc" ]
   testonly = true
   sources = [
     "content_suggestion_identifier_unittest.mm",
@@ -25,4 +24,5 @@ source_set("unit_tests") {
     ":identifier",
     "//testing/gtest",
   ]
+  configs += [ "//build/config/compiler:enable_arc" ]
 }