Remove --use-spelling-suggestions flag.

chrome/browser/spellchecker/spelling_service_client.cc

Index: chrome/browser/spellchecker/spelling_service_client.cc
diff --git a/chrome/browser/spellchecker/spelling_service_client.cc b/chrome/browser/spellchecker/spelling_service_client.cc
index a0506ba052f848dc40e5f30e9cc8e8e10954bf22..a74b356432f324ccf3caf3fcd64e9c496097394e 100644
--- a/chrome/browser/spellchecker/spelling_service_client.cc
+++ b/chrome/browser/spellchecker/spelling_service_client.cc
@@ -120,12 +120,6 @@ bool SpellingServiceClient::IsAvailable(
   if (locale.empty())
     return false;
 
-  // If we do not have the spelling service enabled, then we are only available
-  // for SUGGEST.
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kUseSpellingSuggestions))
-    return type == SUGGEST;
-
   // Finally, if all options are available, we only enable only SUGGEST
   // if SPELLCHECK is not available for our language because SPELLCHECK results
   // are a superset of SUGGEST results.