Use generic copy on messaging Integrations screens.

Drop wallet/brand marketing language so credential setup reads as neutral configuration.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/EventsMessagingIntegrationsTest.php

@@ -37,8 +37,9 @@ class EventsMessagingIntegrationsTest extends TestCase
         $this->actingAs($this->user)
             ->get(route('account.integrations'))
             ->assertOk()
-            ->assertSee('Ladill SMS')
-            ->assertSee('Ladill Bird');
+            ->assertSee('SMS')
+            ->assertSee('Email')
+            ->assertSee('credentials for outbound messaging');
     }
 
     public function test_saving_sms_credentials_encrypts_key(): void