removed the unneeded config folder from examples

Signed-off-by: supersonicwisd1 <supersonicwisd1>

examples/configuration/config.yaml

-# PyFed Configuration Example
-
-# Core Settings
-domain: example.com
-debug: false
-
-# Database
-database:
-  url: postgresql://user:pass@localhost/pyfed
-  min_connections: 5
-  max_connections: 20
-  timeout: 30
-
-# Redis
-redis:
-  url: redis://localhost
-  pool_size: 10
-  timeout: 30
-
-# Security
-security:
-  key_path: keys/
-  signature_ttl: 300
-  max_payload_size: 5000000
-  allowed_algorithms:
-    - rsa-sha256
-
-# Federation
-federation:
-  shared_inbox: true
-  delivery_timeout: 30
-  max_recipients: 100
-  retry_delay: 300
-
-# Media
-media:
-  upload_path: uploads/
-  max_size: 10000000
-  allowed_types:
-    - image/jpeg
-    - image/png
-    - image/gif
-    - video/mp4
-    - audio/mpeg 
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