STM32 USBDevice: Remove disco-f429zi, clean-up nucleo-f103rb

Author: bcostm

features/unsupported/USBDevice/targets/TARGET_STM/USBHAL_IP_DEVICE.h

@@ -132,10 +132,7 @@ USBHAL::USBHAL(void) {
     gpio_init_out(&HALPriv->usb_switch, PG_6);
 
 #elif defined(TARGET_NUCLEO_F103RB)
-    __HAL_RCC_GPIOB_CLK_ENABLE();
-    gpio_init_out(&HALPriv->usb_switch, PB_14);
-    gpio_mode(&HALPriv->usb_switch, OpenDrain);
-    // Make sure to connect a 1.5K pull-up to USB-DP PA12 pin (permanent pull-up)
+    // Make sure to connect a 1.5K resistor between USB-DP PA12 pin and +3.3V
     __HAL_RCC_GPIOA_CLK_ENABLE();
     pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DM
     pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DP

features/unsupported/USBDevice/targets/TARGET_STM/USBHAL_IP_OTGFSHS.h

@@ -149,14 +149,6 @@ USBHAL::USBHAL(void) {
     pin_function(PA_8, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));  // SOF
     __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
 
-#elif defined(TARGET_DISCO_F429ZI)
-    __HAL_RCC_GPIOB_CLK_ENABLE();
-    pin_function(PB_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS)); // DM
-    pin_function(PB_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS)); // DP
-    pin_function(PB_13, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS)); // VBUS
-    pin_function(PB_12, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_PULLUP, GPIO_AF12_OTG_HS_FS)); // ID
-    __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
-
 #elif defined(TARGET_DISCO_L475VG_IOT01A) || \
       defined(TARGET_DISCO_L476VG)
     __HAL_RCC_GPIOA_CLK_ENABLE();

features/unsupported/USBDevice/targets/TARGET_STM/USBHAL_STM32.h

@@ -26,7 +26,6 @@
     defined(TARGET_NUCLEO_F446ZE) || \
     defined(TARGET_NUCLEO_F767ZI) || \
     defined(TARGET_NUCLEO_F746ZG) || \
-    defined(TARGET_DISCO_F429ZI) || \
     defined(TARGET_DISCO_F469NI) || \
     defined(TARGET_DISCO_F746NG) || \
     defined(TARGET_DISCO_F769NI) || \