ci(e2e): remove job timeouts from e2e workflow

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: kariy

.github/workflows/e2e-tests.yml

@@ -9,7 +9,6 @@ on:
 jobs:
   e2e-settlement:
     runs-on: ubuntu-latest
-    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
 
@@ -46,7 +45,6 @@ jobs:
 
   e2e-messaging:
     runs-on: ubuntu-latest
-    timeout-minutes: 20
     steps:
       - uses: actions/checkout@v4