Remove testing of Campaign parameters

Author: Alex Westergaard

src/Campaign.php

@@ -5,7 +5,6 @@
 use AlexWestergaard\PhpGa4\Facade\Type\GtmEventType;
 use AlexWestergaard\PhpGa4\Facade\Type\EventType;
 use AlexWestergaard\PhpGa4\Facade\Type\DefaultEventParamsType;
-use AlexWestergaard\PhpGa4\Facade\Type\CampaignType;
 use AlexWestergaard\PhpGa4\Exception\Ga4EventException;
 
 abstract class EventHelper extends IOHelper implements EventType
@@ -61,19 +60,6 @@ public function setEventPage(DefaultEventParamsType $page)
         return $this;
     }
 
-    public function setCampaign(?CampaignType $campaign)
-    {
-        $this->campaign = [];
-
-        foreach ($campaign as $tag => $val) {
-            if (!in_array($tag, CampaignType::CAMPAIGN_VARS)) {
-                continue;
-            }
-
-            $this->campaign[$tag] = $val;
-        }
-    }
-
     public function toArray(): array
     {
         $return = [];

src/Facade/Type/CampaignType.php

@@ -621,29 +621,6 @@ public function test_viewsearchresults()
         $this->assertNull($this->analytics->post());
     }
 
-    public function test_can_pass_campaign_parameters()
-    {
-        $event = new Event\PageView;
-
-        /** @var Event\PageView */
-        $event = $this->populateEventByMethod($event);
-
-        $event->setCampaign(
-            Campaign::new(
-                'newsletter_category',
-                'newsletter',
-                'email',
-                'Weekly Newsletter 2020w20',
-                'continue reading here',
-                'section1'
-            )
-        );
-
-        $this->analytics->addEvent($event);
-
-        $this->assertNull($this->analytics->post());
-    }
-
     public function test_throw_name_missing()
     {
         $mock = new class extends Event\Refund