Removes useless params set

lib/wpscan/db/updater.rb

@@ -72,7 +72,7 @@ module WPScan
           connecttimeout: 300,
           accept_encoding: 'gzip, deflate',
           cache_ttl: 0,
-          headers: { 'User-Agent' => Browser.instance.default_user_agent, 'Referer' => nil }
+          headers: { 'User-Agent' => Browser.instance.default_user_agent }
         )
       end
 

spec/lib/db/vuln_api_spec.rb

@@ -5,9 +5,8 @@ describe WPScan::DB::VulnApi do
 
   let(:request_headers) do
     {
-      'Expect' => nil,
       'User-Agent' => WPScan::Browser.instance.default_user_agent,
-      'Authorization' => 'Token token=' + api.token
+      'Authorization' => "Token token=#{api.token}"
     }
   end