stm32/pin: In pin AF object, remove union of periph ptr types.

The individual union members (like SPI, I2C) are never used, only the
generic "reg" entry is.  And the union names can clash with macro
definitions in the HAL so better to remove them.

1 files changed, 0 insertions, 6 deletions

diff --git a/ports/teensy/pin_defs_teensy.h b/ports/teensy/pin_defs_teensy.h
index 54a6055f1..d3a700be2 100644
--- a/ports/teensy/pin_defs_teensy.h
+++ b/ports/teensy/pin_defs_teensy.h
@@ -40,10 +40,4 @@ enum {
     AF_PIN_TYPE_UART_RTS,
 };
 
-#define PIN_DEFS_PORT_AF_UNION \
-    FTM_TypeDef   *FTM; \
-    I2C_TypeDef   *I2C; \
-    UART_TypeDef  *UART; \
-    SPI_TypeDef   *SPI;
-
 typedef GPIO_TypeDef pin_gpio_t;