Update ping event in lang folder

Author: hokhacminhtri

lang/de/events/github/ping.php

@@ -1,10 +1,8 @@
 <?php
 
 return [
-    'default' => [
-        'title' => 'Connection Successful',
-        'organization' => 'Organization',
-        'full_name' => 'Repository',
-        'sender' => 'Sender (triggered the event)',
-    ],
+    'title' => 'Connection Successful',
+    'organization' => 'Organization',
+    'full_name' => 'Repository',
+    'sender' => 'Sender (triggered the event)',
 ];

lang/ja/events/github/ping.php

@@ -1,10 +1,8 @@
 <?php
 
 return [
-    'default' => [
-        'title' => 'Connection Successful',
-        'organization' => 'Organization',
-        'full_name' => 'Repository',
-        'sender' => 'Sender (triggered the event)',
-    ],
+    'title' => 'Connection Successful',
+    'organization' => 'Organization',
+    'full_name' => 'Repository',
+    'sender' => 'Sender (triggered the event)',
 ];

lang/vi/events/github/ping.php

@@ -1,10 +1,8 @@
 <?php
 
 return [
-    'default' => [
-        'title' => 'Connection Successful',
-        'organization' => 'Organization',
-        'full_name' => 'Repository',
-        'sender' => 'Sender (triggered the event)',
-    ],
+    'title' => 'Connection Successful',
+    'organization' => 'Organization',
+    'full_name' => 'Repository',
+    'sender' => 'Sender (triggered the event)',
 ];