docs(config): remove redundant schema default comments

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/config/schema/dynamic-context-pruning.ts

@@ -1,9 +1,7 @@
 import { z } from "zod"
 
 export const DynamicContextPruningConfigSchema = z.object({
-  /** Enable dynamic context pruning (default: false) */
   enabled: z.boolean().default(false),
-  /** Notification level: off, minimal, or detailed (default: detailed) */
   notification: z.enum(["off", "minimal", "detailed"]).default("detailed"),
   /** Turn protection - prevent pruning recent tool outputs */
   turn_protection: z