Remove KERNEL_API_KEY from .env.example files

Author: rgarcia

pkg/templates/python/claude-agent-sdk/.env.example

@@ -1,5 +1,2 @@
 # Anthropic API Key - Get from https://console.anthropic.com/
 ANTHROPIC_API_KEY=your_anthropic_api_key_here
-
-# Kernel API Key - Get from https://dashboard.onkernel.com/api-keys
-KERNEL_API_KEY=your_kernel_api_key_here

pkg/templates/typescript/claude-agent-sdk/.env.example

@@ -1,3 +1,2 @@
-# Copy this file to .env and fill in your API keys
+# Anthropic API Key - Get from https://console.anthropic.com/
 ANTHROPIC_API_KEY=your_anthropic_api_key_here
-KERNEL_API_KEY=your_kernel_api_key_here