[web_server_base] Remove unnecessary Component inheritance and modernize (#14204)

esphome/components/web_server_base/web_server_base.cpp

@@ -1,19 +1,11 @@
 #include "web_server_base.h"
 #ifdef USE_NETWORK
-#include "esphome/core/application.h"
-#include "esphome/core/helpers.h"
-#include "esphome/core/log.h"
 
-namespace esphome {
-namespace web_server_base {
-
-static const char *const TAG = "web_server_base";
+namespace esphome::web_server_base {
 
 WebServerBase *global_web_server_base = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 void WebServerBase::add_handler(AsyncWebHandler *handler) {
-  // remove all handlers
-
 #ifdef USE_WEBSERVER_AUTH
   if (!credentials_.username.empty()) {
     handler = new internal::AuthMiddlewareHandler(handler, &credentials_);
@@ -25,11 +17,5 @@ void WebServerBase::add_handler(AsyncWebHandler *handler) {
   }
 }
 
-float WebServerBase::get_setup_priority() const {
-  // Before WiFi (captive portal)
-  return setup_priority::WIFI + 2.0f;
-}
-
-}  // namespace web_server_base
-}  // namespace esphome
+}  // namespace esphome::web_server_base
 #endif