feat(core): Cleanup after migrating tools. (#6199)

Co-authored-by: Jacob Richman <jacob314@gmail.com>

packages/core/src/tools/ls.ts

@@ -13,7 +13,6 @@ import {
   ToolInvocation,
   ToolResult,
 } from './tools.js';
-import { SchemaValidator } from '../utils/schemaValidator.js';
 import { makeRelative, shortenPath } from '../utils/paths.js';
 import { Config, DEFAULT_FILE_FILTERING_OPTIONS } from '../config/config.js';
 
@@ -314,14 +313,9 @@ export class LSTool extends BaseDeclarativeTool<LSToolParams, ToolResult> {
    * @param params Parameters to validate
    * @returns An error message string if invalid, null otherwise
    */
-  override validateToolParams(params: LSToolParams): string | null {
-    const errors = SchemaValidator.validate(
-      this.schema.parametersJsonSchema,
-      params,
-    );
-    if (errors) {
-      return errors;
-    }
+  protected override validateToolParamValues(
+    params: LSToolParams,
+  ): string | null {
     if (!path.isAbsolute(params.path)) {
       return `Path must be absolute: ${params.path}`;
     }