[ACS-4240] delete category api change (#1484)

Author: rbahirsheth

src/api/content-rest-api/api/categories.api.ts

@@ -216,7 +216,7 @@ export class CategoriesApi extends BaseApi {
         const accepts = ['application/json'];
 
         return this.apiClient.callApi(
-            '/category/{categoryId}', 'DELETE',
+            '/categories/{categoryId}', 'DELETE',
             pathParams, queryParams, headerParams, formParams, postBody,
             contentTypes, accepts );
     }

src/api/content-rest-api/docs/CategoriesApi.md

@@ -7,7 +7,7 @@ Method | HTTP request | Description
 [**getSubcategories**](CategoriesApi.md#getSubcategories) | **GET** /categories/{categoryId}/subcategories | List of subcategories within category
 [**getCategory**](CategoriesApi.md#getCategory) | **GET** /category/{categoryId} | Get a category
 [**getCategoryLinksForNode**](CategoriesApi.md#getCategoryLinksForNode) | **GET** /nodes/{nodeId}/category-links | List of categories that node is assigned to
-[**deleteCategory**](CategoriesApi.md#deleteCategory) | **DELETE** /category/{categoryId} | Deletes the category
+[**deleteCategory**](CategoriesApi.md#deleteCategory) | **DELETE** /categories/{categoryId} | Deletes the category
 [**unlinkNodeFromCategory**](CategoriesApi.md#unlinkNodeFromCategory) | **DELETE** /nodes/{nodeId}/category-links/{categoryId} | Unassign a node from category
 [**updateCategory**](CategoriesApi.md#updateCategory) | **PUT** /categories/{categoryId} | Update a category
 [**createSubcategory**](CategoriesApi.md#createSubcategory) | **POST** /categories/{categoryId}/subcategories | Creates a category