Remove USBCDCD patch

  Patch was introduced to allow bootloader update using rfp-cli, but seems to cause sketch upload issues.
  Bootloader update is still possible adding -dtr flag to rfp-cli command.

Author: pennam

core_esp32.patch

@@ -1,45 +1,3 @@
-diff --git a/cores/esp32/USBCDC.cpp b/cores/esp32/USBCDC.cpp
-index ccf5180d..94895dcd 100644
---- a/cores/esp32/USBCDC.cpp
-+++ b/cores/esp32/USBCDC.cpp
-@@ -349,7 +349,7 @@ size_t USBCDC::read(uint8_t *buffer, size_t size)
- 
- void USBCDC::flush(void)
- {
--    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL || !tud_cdc_n_connected(itf)){
-+    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL){
-         return;
-     }
-     if(xSemaphoreTake(tx_lock, tx_timeout_ms / portTICK_PERIOD_MS) != pdPASS){
-@@ -361,7 +361,7 @@ void USBCDC::flush(void)
- 
- int USBCDC::availableForWrite(void)
- {
--    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL || !tud_cdc_n_connected(itf)){
-+    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL){
-         return 0;
-     }
-     if(xSemaphoreTake(tx_lock, tx_timeout_ms / portTICK_PERIOD_MS) != pdPASS){
-@@ -374,7 +374,7 @@ int USBCDC::availableForWrite(void)
- 
- size_t USBCDC::write(const uint8_t *buffer, size_t size)
- {
--    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL || buffer == NULL || size == 0 || !tud_cdc_n_connected(itf)){
-+    if(itf >= MAX_USB_CDC_DEVICES || tx_lock == NULL || buffer == NULL || size == 0){
-         return 0;
-     }
-     if(xPortInIsrContext()){
-@@ -387,10 +387,6 @@ size_t USBCDC::write(const uint8_t *buffer, size_t size)
-     }
-     size_t to_send = size, so_far = 0;
-     while(to_send){
--        if(!tud_cdc_n_connected(itf)){
--            size = so_far;
--            break;
--        }
-         size_t space = tud_cdc_n_write_available(itf);
-         if(!space){
-             tud_cdc_n_write_flush(itf);
 diff --git a/libraries/USB/src/USBHID.cpp b/libraries/USB/src/USBHID.cpp
 index 521e0803..bb752b35 100644
 --- a/libraries/USB/src/USBHID.cpp