Remove platform examples (drasi-project#53)

* Remove platform examples

Signed-off-by: Agent of Reality <agentx@agentofreality.com>

* Remove deleted platform example tests from validation suite

Removes test references to examples that were deleted in commit 7ffee84:
- debug-platform-building-comfort
- drasi-platform

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Signed-off-by: Agent of Reality <agentx@agentofreality.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: agentofreality

examples/README.md

@@ -33,20 +33,6 @@ This directory contains practical examples demonstrating different features and
 
 ---
 
-### 🔄 [drasi-platform/](drasi-platform/)
-Platform integration example with Redis Streams and bootstrap support.
-
-**Features:**
-- Platform source consuming from Redis Streams
-- Platform bootstrap provider for initial data loading
-- Dual reactions: log (console) + platform (Redis CloudEvents)
-- Consumer group management
-- Complete event lifecycle demonstration
-
-**Use this for:** Integrating with Drasi Platform infrastructure
-
----
-
 ### 📊 [trading/](trading/)
 Comprehensive example demonstrating advanced features and production patterns.
 
@@ -81,8 +67,7 @@ cat README.md
 
 1. **Start with:** `getting-started/` - Learn the basics with PostgreSQL CDC
 2. **Experiment:** `playground/` - Interactive exploration via web UI
-3. **Integrate:** `drasi-platform/` - Redis Streams and platform integration
-4. **Master:** `trading/` - Study production patterns
+3. **Master:** `trading/` - Study production patterns
 
 ## Common Patterns