fix(dashboard,js-sdk): remove methods / hooks to non existing exchange routes (#9697)

Remove the following exchange methods (and hooks from dashboard) which point to routes that don't exist:

- `delete`
- `addItems`
- `updateItem`
- `removeItem`

packages/core/js-sdk/src/admin/exchange.ts

@@ -73,72 +73,6 @@ export class Exchange {
     )
   }
 
-  async delete(
-    id: string,
-    query?: HttpTypes.SelectParams,
-    headers?: ClientHeaders
-  ) {
-    return await this.client.fetch<HttpTypes.AdminExchangeDeleteResponse>(
-      `/admin/exchanges/${id}`,
-      {
-        method: "DELETE",
-        headers,
-        query,
-      }
-    )
-  }
-
-  async addItems(
-    id: string,
-    body: HttpTypes.AdminAddExchangeItems,
-    query?: HttpTypes.SelectParams,
-    headers?: ClientHeaders
-  ) {
-    return await this.client.fetch<HttpTypes.AdminExchangeResponse>(
-      `/admin/exchanges/${id}/exchange-items`,
-      {
-        method: "POST",
-        headers,
-        body,
-        query,
-      }
-    )
-  }
-
-  async updateItem(
-    id: string,
-    actionId: string,
-    body: HttpTypes.AdminUpdateExchangeItem,
-    query?: HttpTypes.SelectParams,
-    headers?: ClientHeaders
-  ) {
-    return await this.client.fetch<HttpTypes.AdminExchangeResponse>(
-      `/admin/exchanges/${id}/exchange-items/${actionId}`,
-      {
-        method: "POST",
-        headers,
-        body,
-        query,
-      }
-    )
-  }
-
-  async removeItem(
-    id: string,
-    actionId: string,
-    query?: HttpTypes.SelectParams,
-    headers?: ClientHeaders
-  ) {
-    return await this.client.fetch<HttpTypes.AdminReturnResponse>(
-      `/admin/exchanges/${id}/exchange-items/${actionId}`,
-      {
-        method: "DELETE",
-        headers,
-        query,
-      }
-    )
-  }
-
   async addInboundItems(
     id: string,
     body: HttpTypes.AdminAddExchangeInboundItems,