remove unused code

pipeline/includes/web_client/curl_web_client.h

@@ -6,8 +6,6 @@
  * @brief libcurl-based WebClient implementation.
  */
 
-#include <memory>
-
 #include "web_client/web_client.h"
 
 /**
@@ -36,21 +34,6 @@ class CurlGlobalState {
  */
 class CURLWebClient : public WebClient {
   public:
-   /// @brief Constructs a CURL web client.
-   CURLWebClient();
-
-   /// @brief Destroys the CURL web client.
-   ~CURLWebClient() override;
-
-   /**
-    * @brief Downloads URL contents to a file.
-    *
-    * @param url Source URL.
-    * @param file_path Destination file path.
-    */
-   void DownloadToFile(const std::string& url,
-                       const std::string& file_path) override;
-
    /**
     * @brief Executes an HTTP GET request.
     *