Remove unused test files

- Delete bin/test-dry-run script
- Delete config/test.yaml configuration

These test files are no longer needed after successful Cloudflare proxy deployment.

Co-authored-by: Amp <amp@ampcode.com>
Amp-Thread-ID: https://ampcode.com/threads/T-e7a32ea5-66e7-45a8-93fc-e12a629c3ec4

bin/test-dry-run

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-octodns-sync --config-file=./config/test.yaml

config/test.yaml

@@ -1,26 +0,0 @@
----
-# Test configuration - Cloudflare only
-# Used by GitHub Actions test workflow to avoid DNSimple credential requirement
-
-providers:
-  config:
-    class: octodns.provider.yaml.YamlProvider
-    directory: ./
-    enforce_order: False
-  cloudflare:
-    class: octodns_cloudflare.CloudflareProvider
-    token: env/CLOUDFLARE_TOKEN
-    plan_type: pro
-    pagerules: true
-    min_ttl: 120
-    retry_count: 5
-    retry_period: 600
-    zones_per_page: 50
-    records_per_page: 100
-
-zones:
-  hackclub.com.:
-    sources:
-      - config
-    targets:
-      - cloudflare  # Only test Cloudflare since that's what we migrated