[keyboard] update ymdk/id75/rules.mk for develop (#20592)

keyboards/ymdk/id75/rules.mk

@@ -1,9 +1,8 @@
 # Configure for 128K flash
-#MCU_LDSCRIPT = STM32F103xB
+MCU_LDSCRIPT = STM32F103xB
 
 # Wildcard to allow APM32 MCU
 DFU_SUFFIX_ARGS = -p FFFF -v FFFF
 
-WS2812_DRIVER = pwm
 # Enter lower-power sleep mode when on the ChibiOS idle thread
 OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE