Removing code via plugin?

[Jinovich]

At the moment we have to manually edit our infraction.php file so that our forum moderators may infract our "VIPS" who are in a different usergroup but are moderators of their very own subforum.

This works brilliantly and exactly how I wanted it over the last two years.

However I want to see if it is possible to incorporate this manual edit as a plugin to stop the neccessity for manual code edits.

the code in question is,

	($hook = vBulletinHook::fetch_hook('infraction_verify_permissions')) ? eval($hook) : false;

	// moderators will have the infraction icon on their posts due to the overhead of checking moderator status on showthread
	// Only Admins & Supermods may give infractions to moderators
	// really could use a bit in user that is set when an user is a moderator of any forum to avoid this

	$uglist = $userinfo['usergroupid'] . iif(trim($userinfo['membergroupids']), ",$userinfo[membergroupids]");
	if (can_moderate(0, '', $userinfo['userid'], $uglist)
		AND !($vbulletin->userinfo['permissions']['adminpermissions'] & $vbulletin->bf_ugp_adminpermissions['cancontrolpanel'])
		AND !($vbulletin->userinfo['permissions']['adminpermissions'] & $vbulletin->bf_ugp_adminpermissions['ismoderator'])
	)
	{
		eval(standard_error(fetch_error('you_are_not_allowed_to_warn_moderators')));
	}

I want to use the verify infraction permissions hook to ignore the whole block of code below it, any suggestions as to how I could do this?