chore(rubocop): remove extra white-space

Author: dledda-r7

modules/payloads/singles/windows/x64/download_exec.rb

@@ -37,7 +37,7 @@ def initialize(info = {})
   end
 
   def generate(_opts = {})
-    url =  datastore['URL'] || 'http://localhost/hi.exe'
+    url = datastore['URL'] || 'http://localhost/hi.exe'
     file = datastore['FILEPATH'] || 'fox.exe'
     display = datastore['DISPLAY'] || 'HIDE'