build(deps): bump kotlin-stdlib from 1.4.20 to 1.8.10

Bumps [kotlin-stdlib](https://github.com/JetBrains/kotlin) from 1.4.20 to 1.8.10.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.8.10/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.4.20...v1.8.10)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -150,7 +150,7 @@
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>kotlin-stdlib</artifactId>
-            <version>1.4.20</version>
+            <version>1.8.10</version>
             <scope>compile</scope>
         </dependency>
 

src/main/java/cn/celess/blog/controller/CategoryController.java

@@ -37,17 +37,6 @@ public class CategoryController {
         return Response.success(categoryService.delete(id));
     }
 
-    /**
-     * 删除一个分类
-     *
-     * @param id 分类id
-     * @return Response
-     */
-    @DeleteMapping("/admin/category/del/{id}")
-    public Response deleteOne(@PathVariable("id") long id) {
-        return Response.success(categoryService.delete(id));
-    }
-
     /**
      * 更新一个分类
      *