Fix segment implementation

app/Models/Tag.php

@@ -4,7 +4,6 @@ namespace CachetHQ\Cachet\Models;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Str;
-use Watson\Validating\ValidatingTrait;
 
 /**
  * @property int            $id
@@ -15,8 +14,6 @@ use Watson\Validating\ValidatingTrait;
  */
 class Tag extends Model
 {
-    use ValidatingTrait;
-
     /**
      * The fillable properties.
      *

app/Providers/LoadConfigServiceProvider.php

@@ -28,7 +28,7 @@ class LoadConfigServiceProvider extends ServiceProvider
         // Set the Segment.com settings.
         $segmentRepository = $this->app->make('CachetHQ\Cachet\Segment\RepositoryInterface');
         try {
-            $this->app->config->set('cachethq/segment::write_key', $segmentRepository->fetch());
+            $this->app->config->set('segment.write_key', $segmentRepository->fetch());
         } catch (\GuzzleHttp\Exception\ConnectException $e) {
             // We may not have any connection. Let's not cry about it.
         }