Remove RTL8201F link LED defines from GD32 builds

Dropped `RTL8201F_LED1_LINK_ALL` from multiple GD32 EMAC Makefiles and removed `ENET_LINK_CHECK_REG_POLL` from the LLRP target. This cleans up obsolete Ethernet PHY/link-check compile flags and aligns build-time network settings across these firmware variants.

Author: vanvught

gd32_emac_artnet_pixel_multi/Makefile.GD32

@@ -12,7 +12,6 @@ DEFINES+=DMXNODE_PORTS=32
 DEFINES+=CONFIG_DMXNODE_PIXEL_MAX_PORTS=8
 
 DEFINES+=ENET_RXBUF_NUM=34 ENET_TXBUF_NUM=3
-DEFINES+=RTL8201F_LED1_LINK_ALL
 
 DEFINES+=DISPLAY_UDF 
 

gd32_emac_e131_dmx_multi/Makefile.GD32

@@ -9,7 +9,6 @@ DEFINES+=OUTPUT_DMX_SEND_MULTI
 DEFINES+=OUTPUT_HAVE_STYLESWITCH
 
 DEFINES+=ENET_RXBUF_NUM=8 ENET_TXBUF_NUM=2
-DEFINES+=RTL8201F_LED1_LINK_ALL
 
 DEFINES+=DISPLAY_UDF 
 

gd32_emac_e131_pixel_multi/Makefile.GD32

@@ -12,7 +12,6 @@ DEFINES+=DMXNODE_PORTS=32
 DEFINES+=CONFIG_DMXNODE_PIXEL_MAX_PORTS=8
 
 DEFINES+=ENET_RXBUF_NUM=34 ENET_TXBUF_NUM=2
-DEFINES+=RTL8201F_LED1_LINK_ALL
 
 DEFINES+=DISPLAY_UDF 
 

gd32_emac_llrp/Makefile.GD32

@@ -8,9 +8,6 @@ DEFINES+=ENABLE_HTTPD
 
 DEFINES+=ENABLE_NTP_CLIENT
 
-DEFINES+=ENET_LINK_CHECK_REG_POLL
-DEFINES+=RTL8201F_LED1_LINK_ALL
-
 DEFINES+=CONFIG_CLIB_USE_UART0
 
 DEFINES+=DISABLE_FS

gd32_emac_pp_pixel_multi/Makefile.GD32

@@ -11,7 +11,6 @@ DEFINES+=CONFIG_DMXNODE_PIXEL_MAX_PORTS=8
 #DEFINES+=CONFIG_PIXELDMX_ENABLE_GAMMATABLE
 
 DEFINES+=ENET_RXBUF_NUM=26 ENET_TXBUF_NUM=2
-DEFINES+=RTL8201F_LED1_LINK_ALL
 
 DEFINES+=DISPLAY_UDF