Revert "Try-fix ESP32 wifi disconnects (#6363)"

This reverts commit a902776e57.

src/mesh/wifi/WiFiAPClient.cpp

@@ -163,7 +163,7 @@ static int32_t reconnectWiFi()
         delay(5000);
 
         if (!WiFi.isConnected()) {
-#ifdef ARCH_ESP32
+#ifdef CONFIG_IDF_TARGET_ESP32C3
             WiFi.mode(WIFI_MODE_NULL);
             WiFi.useStaticBuffers(true);
             WiFi.mode(WIFI_STA);