[web_server_idf] Inline send() to reduce httpd task stack depth (#15045)

esphome/components/web_server_idf/web_server_idf.cpp

@@ -262,19 +262,6 @@ StringRef AsyncWebServerRequest::url_to(std::span<char, URL_BUF_SIZE> buffer) co
   return StringRef(buffer.data(), decoded_len);
 }
 
-void AsyncWebServerRequest::send(AsyncWebServerResponse *response) {
-  httpd_resp_send(*this, response->get_content_data(), response->get_content_size());
-}
-
-void AsyncWebServerRequest::send(int code, const char *content_type, const char *content) {
-  this->init_response_(nullptr, code, content_type);
-  if (content) {
-    httpd_resp_send(*this, content, HTTPD_RESP_USE_STRLEN);
-  } else {
-    httpd_resp_send(*this, nullptr, 0);
-  }
-}
-
 void AsyncWebServerRequest::redirect(const std::string &url) {
   httpd_resp_set_status(*this, "302 Found");
   httpd_resp_set_hdr(*this, "Location", url.c_str());