minor #4068 Remove diff info from cookbook/security/voters.rst (pmartelletti)

This PR was submitted for the 2.5 branch but it was merged into the 2.4 branch instead (closes #4068).

Discussion
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Remove diff info from cookbook/security/voters.rst

Commits
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3fb678a Remove diff info from file.

Author: weaverryan

cookbook/security/voters.rst

@@ -49,11 +49,7 @@ and compare the IP address against a set of blacklisted IP addresses:
         protected $requestStack;
         private $blacklistedIp;
 
-<<<<<<< HEAD
         public function __construct(RequestStack $requestStack, array $blacklistedIp = array())
-=======
-        public function __construct(ContainerInterface $container, array $blacklistedIp = array())
->>>>>>> 2.3
         {
             $this->requestStack  = $requestStack;
             $this->blacklistedIp = $blacklistedIp;